London’s markets saw declines Wednesday.

The FTSE 100 dropped 1.66 percent to 6,270.7 and the FTSE 250 was down 1.83 percent to 11,300.7.

The mining sector provided the best performer on the 100 as Vedanta Resources (LSE: VED) added 3.07 percent to £18.47.

Of the two other gainers on the 100 during the day another miner, Lonmin (LSE: LMI) was up 0.37 percent to £32.27.

The only other winner on the 100 was in the pharmaceuticals sector, with Shire (LSE: SHP; NAS: SHPGY) up 0.62 percent to £13.03.

The best performance on 250 came from personal loan provider International Personal Finance (LSE: IPF), which added 5.66 percent to 224p.

Construction and civil engineering group Interserve (LSE: IRV) was up 3.8 percent to 492p, while internet gambler PartyGaming (LSE: PRTY) was 2.73 percent higher to 28.25p.

Banks were lower after Lehman Brothers (NYSE: LEH) made negative comments about the mortgage sector.

Northern Rock (LSE: NRK) had the worst day on the 100 as it dropped 5.33 percent to 693p, while Alliance & Leicester (LSE: AL) fell 4.44 percent to £10.11.

Among insurers, Royal Sun & Alliance (LSE: RSA) was down 3.85 percent to 139.9p.

Food processor Tate & Lyle (LSE: TATE) was down 4.54 percent to 536.5p, and pubs operator Punch Taverns (LSE: PUB) was down 3.79 percent to £10.66.

Avis Europe (LSE: AVE) was 7 percent lower on the 250 to 46.5p, while waste management firm Shanks Group (LSE: SKS) fell 6.06 percent to 232.5p.

London equities markets saw gains Friday.

The FTSE 100 was 1.47 percent higher to 6,303.3 and the FTSE 250 was up 1.89 percent to 11,309.2.

Miners were higher as metals prices advanced.

Vedanta Resources had the best day on the 100, adding 4.38 percent to £17.63.

Rio Tinto (LSE: RIO; ASX: RIO) was right behind with a gain of 3.72 percent to £34.30 after it gained approval from the Canadian government to proceed with its takeover of Alcan (TSX: AL; NYSE: AL).

Other gainers on the 100 included Imperial Tobacco (LSE: IMT), which added 3.22 percent to £22.41.

Supermarket chain Wm Morrison (LSE: MRW) gained 3.15 percent to 286.25p, while food processor Tate & Lyle (LSE: TATE) was 3.11 percent higher to 564.5p.

Engineering group Melrose (LSE: MRO) was the best performer on the 250, adding 9.97 percent to 190.25p.

Consumer goods retailer Home Retail (LSE: HOME) had the worst day on the 100, dropping 1.07 percent to 414.25p, while publisher Euromoney Institutional Investor (LSE: ERM) saw the biggest decline on the 250, falling 4.34 percent to 540p.

Also on the 250, auto sales group Pendragon (LSE: PDG) dropped 2.26 percent to 75.75p, while builder John Wood Group (LSE: WG.) fell 1.09 percent to 361.5p.

Back on the 100, non-voting shares in investment manager Schorders (LSE: SDRt.L) were 0.26 percent lower to £11.43, while house builder Persimmon (LSE: PSN) dropped 0.52 percent to £11.57 and pubs operator Mitchells and Butlers (LSE: MAB) was down 0.77 percent to 712.5p.

London’s equities markets saw significant losses on Thursday.

The FTSE 100 fell 4.1 percent to 5,858.9, the first time it had closed below the 6,000 level since March, while the FTSE 250 closed at 10,462.6 for a drop of 3.92 percent.

There were no winners on the 100 on the session, and miners were the five worst performers there after metals prices declined.

Kazakhmys (LSE: KAZ) dropped 8.38 percent to £10.71, while Vedanta Resources (LSE: VED) fell 8.44 percent to £14.98.

Anglo American (LSE: AAL) was 9.36 percent lower to £24.70, Lonmin (LSE: LMI) was down 9.41 percent to £27.92 and Antofagasta fell 10.98 percent to 608p for the worst performance of the day on the 100.

The oil sector declined as well, as the price of crude oil dropped.

BP (LSE: BP; NYSE: BP; TYO: 5051) was down 4.06 percent to 520p, while Royal Dutch Shell’s (LSE: RDSA, RDSB; NYSE: RDS.A, RDS.B) A shares dropped 4.43 percent to £17.69.

On the 250, Premier Oil (LSE: PMO) was down 9.19 percent to 914.5p for the worst performance of the day on that index. The financial services sector was much lower.

Northern Rock (LSE: NRK) was 4.2 percent lower to 659p after Merrill Lynch (NYSE: MER; TYO: 8675) dropped its target share price from £11.30 to 913p and JP Morgan (NYSE: JPM; TYO: 8634) reduced it from 830p to 690p.

Standard Chartered (LSE: STAN; SEHK: 2888), with substantial exposure in Asia, fell 7.55 percent to £14.44.

Investment manager Invesco (LSE: AVZ; NYSE: IVZ) was 6.53 percent lower to 551.5p, while hedge fund Man Group (LSE: EMG) dropped 8.31 percent to 446.75p.

Electricity generators also had substantial losses.

Drax Group (LSE: DRX) fell 4.04 percent to 605p, while International Power was 6.23 percent lower to 383p and British Energy dropped 7.98 percent to 417.75p after it said that core profit was down 12 percent in its fiscal first quarter after trouble shut down two facilities.

There were some gainers on the 250, where property group Daejan Holdings (LSE: DJAN) gained 6.57 percent to £35.22.

Publisher Euromoney Institutional Investor (LSE: ERM), which is 70 percent owned by Daily Mail and General Trust (LSE: DMGT), added 1.93 percent to 580p, while retail baker Greggs (LSE: GRG) gained 0.41 percent to €48.50.

In London on Thursday, the FTSE 100 added 0.8 percent to 6,300.3 and the FTSE 250 was 0.39 percent higher to 11,233.

British Airways (LSE: BAY; NYSE: BAB) led the 100, adding 4.53 percent to 403.75p after ABN Amro (Eurnoext: AAB; NYSE: ABN) raised its recommendation on the airline from “sell” to “hold”.

Consumer goods maker Unilever (LSE: ULVR; Euronext: ENA; NYSE: UN) was 4.26 percent higher to £15.68 on strong second quarter results and an improved sales forecast for the full year.

In the retail sector, Marks & Spencer (LSE: MKS) gained 3.42 percent to 635.5p.

The worst performer on the 100 was pubs operator Mitchells & Butlers (LSE: MAB), which fell 4.68 percent to 713p after it delayed a property deal due to problems in the debt market.

The decline took rival pubs company Whitbread (LSE: WTB) down 3.93 percent to £15.88.

Miners also declined on the day.

Rio Tinto was 3.19 percent lower to £33.35, while Vedanta Resources (LSE: VED) fell 2.56 percent to £16.73 and Lonmin (LSE: LMI) dropped 1.84 percent to £33.14.

On the 250, construction group Alfred McAlpine (LSE: MCA) was the best performer as it gained 5.91 percent to 475p after it announced that the company will be split into two separately listed companies, one dedicated to business services and the other offering infrastructures services and project services.

Electronics group Invensys (LSE: ISYS; OTC: IVNY) was 10.07 percent lower to 341.75p, for the worst performance of the session on the 250.

There were substantial gains in London on Tuesday, where the FTSE 100 added 2.48 percent to 6,360.1 and the FTSE 250 was 2.26 percent higher to 11,321.9.

Insurer Standard Life (LSE: SLET) had the best day on the 100 as it added 6.38 percent to 308.5p, while Friends Provident (LSE: FP) was right behind with a gain of 5.97 percent to 187p.

Miners were also higher on the 100, with Vedanta Resources (LSE: VED) up 4.17 percent to £17.89 as Anglo American (LSE: AAL) added 5.18 percent to £29.04 as metals prices were on the rise.

Caterer Compass Group (LSE: CPG) was 5.28 percent higher to 334p.

Meanwhile, easyJet (LSE: EZJ) had the best day on the 250, adding 12.91 percent to 511.5p as Goldman Sachs (NYSE: GS) added the discount airline to its “conviction buy” list.

Other big gainers on the 250 included oil equipment manufacturer Rotork (LSE: ROR), which was 12.87 percent higher to £10.35.

Home builder Taylor Wimpey (LSE: TW) was up 9.83 percent to 330.25 on first half profits that were better than had been anticipated.

The biggest loss on the 250 came for retail bakery chain Greggs (LSE: GRG), which dropped 3.41 percent to £49.10.

The worst performer on the 100 was chemicals group Reckitt Benckiser (LSE: RB), down 0.41 percent to €26.52.

The only other decliner on the 100 was property investor Liberty International (LSE: LII), which dropped 0.29 percent to £10.38.

Equities markets in London were mixed on Monday.

The FTSE 100 was 0.15 percent lower to 6,206.1, while the FTSE 250 gained 0.79 percent to 11,071.7.

Miners saw significant gains on the day.

BHP Billiton (LSE: BLT; ASX: BHP; NYSE: BHP) gained 3.09 percent to £14.03, while Rio Tinto (LSE: RIO) added 3.68 percent to £34.51, Antofagasta (LSE: ANTO) was 4.15 percent higher to 702p, and Vedanta Resources (LSE: VED) was up 5.5 percent to £17.07.

The best performer on the 100 came in the chemicals sector, where Imperial Chemical Industries (LSE: ICI; NYSE: ICI) added 7.19 percent to 618.5p.

The biggest loser on the 100 was in the financial services sector, where Man Group (LSE: EMG) fell 2.75 percent to 547.5p.

Other decliners included Imperial Tobacco Group (LSE: IMT), which dropped 2.02 percent to £21.37.

Prudential (LSE: PRU; NYSE: PUK) dropped 2.11 percent to 650p, while electric power transmitter National Grid (LSE: NG) was 2.14 percent lower to 686p.

Manufacturer FKI (LSE: FKI) had the best day on the 250, adding 9.16 percent to 110.25p, while JKX Oil & Gas (LSE: JKX) gained 8.61 percent to 346p.

The worst performer on the 250 was property investment group Capital & Regional (LSE: CPP), which fell 4.12 percent to 907p.

London’s markets were lower on the dayFriday, but not nearly as steeply as they were on Thursday.

The FTSE 100 fell 0.58 percent to 6,215.2, while the FTSE 250 was down 0.44 percent to 10.984.5.

Miners posted the worst performances on both the 100 and the 250 as Anglo American (LSE: AAL) dropped 3.86 percent to £27.43 on the 100 and Aquarius Platinum (LSE: AQP; ASX: AQP) fell 7.37 percent to £13.58.

Also in the sector, Antofagasta (LSE: ANTO) was down 3.43 percent to 675p, while Vedanta Resources (LSE: VED) was 3.68 percent lower to £16.22.

Online property search group Rightmove (LSE: RMV) also saw declines, dropping 6.09 percent to 547.5p, while human resources group STHREE (LSE: STHR) was 5.75 percent lower to 410.5p.

Caterer Compass Group (LSE: CPG) fell 2.81 percent to 311p.

Chemicals group Reckitt Benckiser (LSE: RB) had the best day on the 100 as it gained 3.19 percent to £26.84.

Publisher Emap (LSE: EMA) was the best performer on the 250, where it added 12.7 percent to 860.5p.

Another publishers, Johnston Press (LSE: JPR) was 4.69 percent higher to 385p.

Retailers also had gains on the 250.

GAME Group (LSE: EBQ) added 4.77 percent to 186.75p, while home shopping retailer Findel (LSE: FADV) gained 4.83 percent to 683.5p.

In the banking sector, Northern Rock (LSE: NRK) was up 3.12 percent to 793.5p.

Electric power transmitter National Grid (LSE: NG) and airplane engine maker Rolls-Royce (LSE: RR) each added 2.47 percent, to 704p and 508.5p respectively.

In London, the FTSE 100 added 1.11 percent to 6,640.2, while the FTSE 250 gained 1.32 percent to 11,880.2.

Miner Antofagasta (LSE: ANTO) was the best performer on the 100, where it was 5.37 percent higher to 725.5p.

The sector was mixed, however.

While Vedanta Resources (LSE: VED) was also higher, adding 4.22 percent to £18.04, Aquarius Platinum (LSE: AQP; ASX: AQP; JSE: AQP) was had the worst day on the 250, falling 3.41 percent to £16.15.

Property investment company Shaftsbury (LSE: SHB) did the best on the session on the 250, adding 9.16 percent to 608p. In the same sector, Minerva (LSE: MNR) gained 6.71 percent to 330p.

Back on the 100, aerospace and defense group BAE Systems (LSE: BA; OTCBB: BASEY) was 4.79 percent higher to 421.25p on the news that its proposed acquisition of Armor Holdings (NYSE: AH), which makes military and law enforcement equipment, has been approved by US antitrust authorities.

Insurer Old Mutual (LSE: OML; JSE: OLOML) was 4.58 percent higher to 175.9p on the news that Nedbank (JSE: NED), a South African bank in which it holds the majority stake, is in talks with Standard Chartered concerning a takeover.

Standard Chartered (LSE: STAN; SEHK: 2888) was lower on the report, dropping 0.77 percent to £16.71.

Pubs operators were lower on the session after Mitchells and Butlers (LSE: MAB) had the worst day on the 100, dropping 3.25 percent to 863p after a broker downgrade from “hold” to “sell” and the setting of a target share price at 790p on a report of a possible property deal.

In the same sector, JD Wetherspoon (LSE: JDW) fell 1.29 percent to 611p.

British Energy (LSE: BGY) was 1.23 percent lower to 523p after its chairman said that the power generator’s nuclear power output last year was “disappointing”.

London equities markets were up on Thursday, with the FTSE 100 added 1.25 percent to 6,697.7 and the FTSE 250 gained 1.22 percent to 11,809.

Most miners were higher on the session, but the sector managed to provide both the biggest winner and the worst performer on the 100.

Vedanta Resources (LSE: VED) added 6.45 percent to £18.00, while Rio Tinto (LSE: RIO) was 4.58 percent lower to £38.10.

Rio Tinto’s decline came after it put in a bid for Canadian aluminium producer Alcan (TSX: AL; NYSE: AL) and after Standard & Poor‘s announced that it would take a look at Rio Tinto‘s credit rating if the deal was completed.

Elsewhere in the sector, Xstrata (LSE: XTA) was 4.67 percent higher to £34.27 and Antofagasta (LSE: ANTO) added 6.39 percent to 715.5p.

The best performance on the 250 came from oil refiner Hunting (LSE: HTG), which gained 8.01 percent to 842.5p.

Other gainers on the 100 included British Airways (LSE: BAY; NYSE: BAB), which was 5.26 percent higher to 440.5p.

Hedge fund Man Group (LSE: EMG) added 4.05 percent to 616.5. Public transport company Arriva (LSE: ARI) was the worst performer on the 250 as it dropped 4.09 percent to 751p.

Other decliners on the 100 included Whitbread (LSE: WTB); the leisure services group fell 2.47 percent to £18.98.

Property developer Hammerson (LSE: HMSO) was 0.88 percent lower to £13.55.

The London markets were higher on Friday, with the FTSE 100 0.83 percent higher to 6,690.1.

The FTSE 250 added 0.55 percent to 11,867.3.

The oil sector was higher on short supplies and continuing worries about the situation in Nigeria.

BP (LSE: BP; NYSE: BP; TYO: 5051) was 1.08 percent higher to 610p, while BG Group (LSE: BG; NYSE: BG) added 1.97 percent to 829p.

Royal Dutch Shell’s (LSE: RDSA, RDSB; NYSE: RDS A, RDS B) A shares gained 2.87 percent to £21.15 after it said that it will begin once again to drill in the Arctic.

Miners also saw gains. Antofagasta (LSE: ANTO) added 2.63 percent to 663.5p, while Xstrata (LSE: XTA) was 3.03 percent higher to £32.66 and Vedanta Resources (LSE: VED) gained 3.15 percent to £17.01.

BHP Billiton (LSE:BLT; ASX: BHP; NYSE: BHP) had the best day on the 100, adding 3.69 percent to £15.16.

Gainers on the 250 included kitchen equipment manufacturer Aga Foodservice (LSE: AGA), which was 7 percent higher to 412.5p after it said it is thinking about selling its commercial division.

Decliners on the 100 included Intercontinental Hotels (LSE: IHG; NYSE: IHG), which was down 1.37 percent to £12.98.

In the business services sector, Experian (LSE: EXPN) dropped 1.58 percent to 623.5p for the worst performance of the day on the 100.