London markets were mixed Tuesday, with the FTSE 100 up 0.12 percent to 6.086.1 but the FTSE 250 down 0.6 percent to 10,639.3.

The mixed nature of the indices translated to mixed days within individual sectors.

For example, while property developer Barratt Developments (LSE: BDEV) was the worst performer of the day on the 100 with a drop of 3.25 percent to 909p, British Land (BLND) added 1.42 percent to £12.15.

Likewise among electricity generators.

While International Power (LSE: IPR; NYSE: IPR) added 1.55 percent to 409p, Drax Group (LSE: DRX) fell 2.29 percent to 620p.

Miner BHP Billiton (LSE: BLT; NYSE: BHP; ASX: BHP) had the best day on the 100, adding 2.04 percent to £13.01 after it said it had moved two drilling rigs from deep water in the Gulf of Mexico ahead of Hurricane Dean.

Meanwhile on the 250, JKX Oil & Gas was the best performer with a gain of 7.39 percent to 370.5p.

Other gainers on the day included British Airways (LSE: BAY; NYSE: BAB) at 1.52 percent higher to 401.5p.

In the telecommunications sector, BT Group (LSE: BT.A; NYSE: BT) gained 1.46 percent to 312p.

Avis Europe (LSE: AVE) was up 4.42 percent to £47.25.

Among decliners, pubs operator Punch Taverns (LSE: PUB) was 2.35 percent lower to 976.5p, while Intercontinental Hotels (LSE: IHG; NYSE: IHG) fell 2.33 percent to £10.06.

Human resources specialist Michael Page International (LSE: MPI) dropped 4.22 percent to 419.5p.

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 Friday the FTSE 100 was 1.21 percent lower to 6,224.3 and the FTSE 250 fell 0.42 percent to 11,185.8.

Insurers were mixed on the day.

Royal Sun & Alliance (LSE: RSA; OTC: RSA) was the best performer on the 100 as it added 1.71 percent to 131.2p after JP Morgan (NYSE: JPM; TYO: 8634).

Friends Provident (LSE: FP) was also higher, gaining 0.53 percent to 191.2p.

But Old Mutual (LSE: OML; JSE: OLOML) had the worst day on the 100, falling 4.73 percent to 155.1p while Standard Life (LSE: SLET) was also lower, dropping 3.32 percent to 305.75p after Panmure Gordon (LSE: DUC) cut its target share price from 370p to 346p.

Pubs operators also saw declines on the 100, with Whitbread (LSE: WTB) 3.34 percent lower to £15.35 and Punch Taverns (LSE: PUB) down 3.6 percent to £10.72.

Other gainers on the 100 included clothing retailer Next (LSE: NXT), which added 1.02 percent to £18.87.

Electricity generator International Power (LSE: IPR; NYSE: IPR) was 1.55 percent higher to 426p.

Engineering group Tomkins (LSE: TOMK; NYSE: TKS) had the best day on the 250, adding 7.44 percent to 249.25p on second quarter profits that were down less than had been expected and after Cazenove raised its recommendation from “underperform” to “in-line”.

In the electronics sector, Cookson Group (LSE: CKSN; OTC: CKSNY) gained 3.93 percent to 753.5p after Merrill Lynch (NYSE: MER; TYO: 8675) raised its target share price from 815p to 850p.

JKX Oil & Gas was the biggest loser on the 250 for the day, dropping 4.04 percent to 362.25p.

The FTSE 100 dropped 0.37 percent on Friday to end the week at 6,208.4 in a week where at least some stocks in the UK were affected by the elections in the United States on Tuesday.

The pharmaceuticals sector declined in the wake of the Democratic takeover of both houses of Congress on the concern that drug prices could be affected by legislation promised by House speaker-elect Nancy Pelosi to allow direct governmental negotiation of drug prices for recipients of Medicare. GlaxoSmithKline dropped 1.8 percent to £13.61, while AstraZeneca was 2.8 percent lower to £30.03.

Utilities were lower on speculation about takeovers in the sector after Scottish Power said that it had been approached by Spain’s Iberdrola. International Power dropped 1.6 percent to 338¼p, while Severn Trent was 1.7 percent lower to £14.03.

Among the mid-caps, homebuilder Crest Nicholson was 8.9 percent higher to 622½p after it rejected an offer from a group that included the Bank of Scotland.

Miners were higher on positive broker comments and bids rumors. Anglo American added 2.8 percent to £25.56 after one of the richest men in China bought a 1.1 percent stake in the miner, raising speculation that there could be a bid for the company out of China. Lonmin added 8.6 percent to £33.55 after Morgan Stanley raised its target share price to £40.

London equities markets were in record territory again on Thursday as the FTSE 100 established another five-year high when it closed up slightly to 6,045.7 and the FTSE 250 added 0.2 percent to end at another all-time high. Volume was at 3.6 billion shares traded.

Utilities ere up after Deutsche Bank issued positive comments on British Energy, which gained 2.4 percent to 694p. National Grid gained 1.1 percent to 578½p, while International Power added 1.3 percent to 291¾p.

Deutsche Bank also helped Corus with an upgraded recommendation, from “hold” to “buy” and a target share price increase from 80p to 100p. The steel maker added 2.6 percent to 89¼p. In other metals, high prices helped copper miner Kazakhmys add 3.1 percent to £12.69. Platinum company Johnson Matthey advanced by 4.9 percent to £15.10.

The banking sector was mixed on bid news. Decreasing talk of an offer took Allaince & Leicester down 2.8 percent to £11.61, but Barclays was up 1.2 percent to 686p on new rumors that Citigroup is considering a bid.

Vodafone added 0.6 percent to 124½p on speculation that the mobile phone group was thinking about entering the fixed line telecommunications market.

In the insurance sector, Prudential gained 4 percent to 677 ½ p on talk that Axa might make a bid. Analysts were mixed on exactly how serious the rumors were, with some saying that some investors could gain on the mere speculation that an offer might be forthcoming.

The online gaming sector was up after indications that efforts in the US to make gambling online illegal were not gathering a great deal of support. PartyGaming added 10 percent to 142½p, while 888 Holdings gained 8.6 percent to 240p and Sportingbet was up 10.6 percent to 421p.

The London equities markets were up on Wednesday, with the FTSE 100 gaining 0.2 percent to 5,965 and the FTSE 250 gaining 0.9 percent to 9,729.0.

Asset managers had a good day on positive comments about the sector from Morgan Stanley. Aberdeen Asset Management gained 6.9 percent to 186p, while Amvescap advanced by 4.2 percent to 550p. Elsewhere in the sector, Deutsche Bank issued an initial “buy” rating and set a 440p share price target on New Star Asset Management, which gained 6.8 percent on the day to 402¾p.

Utilities were up on high electricity prices. British Energy gained 3.9 percent to 646p, while International Power was up 1.1 percent to 277p and National Grid added 0.9 percent to 603½p.

In the retail sector, Woolworths gained 4.1 percent to 37¾p after rumors circulated that the Reuben Brothers have been buying shares in the company.

Insurer Prudential was up 0.9 percent on the day to 609½p on talk that there might be a bid for it soon and ahead of an earnings report due Thursday.

BP gained 2.2 percent to 665p and over 180 million shares in the company were traded after an analyst’s comments that it would be better off if it were to separate its upstream and downstream components.

The equities markets in London were up in mid-day trading on Tuesday, led by advances in the energy sector brought on by bidding wars on the continent.

The FTSE 100 was up 0.3 percent to 5,882.3 and the FTSE 250 advanced by the same percentage to 9.481.0.

While Eon and Gas Natural fought it out to see which firm would be able to acquire Endsea, buying among utilities listed on the London exchanges accelerated. International Power was up 3.8 percent to 285p and Centrica gained 3.7 percent to 307p, while Scottish & Southern Energy reached a record share price of £11.76, up 3.1 percent. British Energy gained 1.8 percent to 630¾p, helped by an upgrade from “sell” to “hold” by Citigroup, which also boosted British Energy’s target price from 360p to 530p.

Elsewhere, Numis securities upgraded online gaming company Partygaming from “hold” to “add”, helping Partygaming to a gain of 3.2 percent to 122½p. The upgrade came after a legal dispute with Empire Online had been settled. Empire Online gained 0.8 percent to 119p.

Credit Suisse, however, downgraded cruise ship operator Carnival from “outperform” to “neutral” after bookings were lower than expected even after promotions had been increased. Carnival dropped 2.6 percent to £31.86.