Both the FTSE 100 and the FTSE 250 ended the session and the week higher in London on Friday. The 100 added 0.3 percent on the session, for its fifth gain in a row, and gained 2.2 percent on the week when it closed at 6,152.4. The 250 was up 0.5 percent on Friday and added 2.3 percent for the week to close at an all-time high of 10,944.

Premier Oil added 3.3 percent on Friday to €12.45 on an upgrade to “buy” from UBS despite having declined 10.5 percent on Thursday after bids talks were ended. Other gainers included chemicals group ICI, which added 2.4 percent to 426p on continuing rumors that Akzo Nobel is interested. Corus was 0.6 percent higher to 500p on speculation that a bid from CSN of Brazil is imminent. EMI gained 3.2 percent to 295¾p on talk that it could soon receive an offer from a private equity group.

There were declines on the day, as well. Tobacco company Gallaher, up recently on bids rumors, dropped 1.5 percent to £11.72 after UBS said it thinks that the bid, said to be coming from Japan Tobacco, will be £11.50 per share at the highest.

The mining sector was down after Merrill Lynch cut the entire sector to “neutral”, using as its pretext questions about the prices of base metals. Rio Tinto dropped 1.8 percent to £27.54, while BHP Billiton fell 2.8 percent to 945p. Kazakhmys was 3 percent lower to £11.60, Xstrata declined 3.2 percent to £23.37, and Antofagasta dropped 4.2 percent to 517½p.

The FTSE 100 dropped 0.4 percent to 6,025.9 in London on Tuesday, ending lower for the sixth straight session and at its lowest level since the beginning of October. It has fallen 2.9 percent since its current decline began. On the other hand, the FTSE 250 was up slightly to 10,497.2.

Homebuilder Wilson Bowden was 3.7 percent higher on the session to £21.76 and Merrill Lynch raised its target share price to £24.50. Also helping the 250 was EMI; the music company added 10.4 percent to 289½p on the news that it has been approached.

The 100 was hurt by losses in the financial services sector, as Old Mutual dropped 5.8 percent to 166p on its third quarter earnings report.

Also seeing declines was ITV, which dropped 1.5 percent to 110¾p on the general opinion that the appointment of a new executive chairman makes any bids unlikely.

In the steel sector, Corus fell 0.3 percent to 498p on rumors that Tata Steel is thinking of increasing its bid. Meanwhile it put off a vote by shareholders to see if CSN of Brazil will up its offer.

Gainers on the session included tobacco company Gallaher, which added 1.7 percent to 952p on talk that Japan Tobacco might be interested. Also higher was yellow pages owner Yell, which was 2.3 percent higher to 570p on positive comments from Goldman Sachs.

London equities markets were mixed on Monday as the FTSE 100 hit a five-year high, gaining 21 points to 6,178.3 but the FTSE 250 dropped 14.9 points to 10,384.1.

Lloyds TSB was 1.3 percent higher to 588½p on rumors that it turned down a bid for its Scottish Widows life assurance unit from Swiss Re and Axa. Some analysts are not optimistic that such a deal would be completed, and Lloyds would not comment on the offer, which was said to have been for £8 billion.

Also seeing a gain on the session was ITV, which added 2 percent to 102¾p on an upgrade from “equal-weight” to “overweight” from Morgan Stanley on the theory that the broadcaster’s shares have reached its low and that better news on advertisements could attract private equity.

PartyGaming dropped 7.2 percent to 32p, a new low share price, after UBS cut its target share price on the online gamer to only 26p. Online gamers have been in a slump since the signing of legislation making most online gambling illegal in the United States.

Among other loses on the session, Cadbury Schweppes was 1.5 percent lower to 549½p on a downgrade from “buy” to “neutral” from Merrill Lynch, while EMI dropped 0.2 percent to 269½p after a warning that the music group expects total revenues to drop by around 3 percent for the half-year that ended September 30.

The London equities markets were mixed on Monday, with the FTSE 100 adding 0.5 percent to 6,030.9 but the FTSE 250 dropping 0.2 percent to 10, 152.3.

The pharmaceuticals sector was higher on the session. Glaxo-Smith-Kline gained 0.6 percent to £14.54 on talk that it is engaged in discussions with Novartis concerning a merger. Shire added 14.9 percent for the best performance among blue-chips, to £10.08 when the Food and Drug Administration in the United States approved its NRP104 treatment for attention deficit hyperactivity disorder for use there.

Media companies didn’t have nearly so good a day. Reed Elsevier dropped 1 percent to 588½p on rumors that a profits warning is forthcoming. EMI fell 1.9 percent to 264¾p in anticipation of a less than encouraging trading update due next week. ITV, meanwhile, was 2.2 percent lower to 100¼p when UBS lowered its advertising growth prediction for the broadcaster, removed it from its “buy” list, and cut its earnings per share forecast for both this year and next.

Homebuilders were mixed, with Redrow up 1.4 percent to 630p but Barratt Developments 1.6 percent lower to £10.98 as rumors that Barratt is interested in a takeover of Redrow continued to ciruclate.

In the steel sector, Corus added 2.7 percent to 494p on reports that Tata Steel of India could be close to an offer worth £5 billion.

Marks and Spencer was 1.3 percent higher to 662½p, near a record high, on positive comments and an increased target share price from Morgan Stanley.

The FTSE 100 closed down by 0.4 percent to 5,906.1 in London on Thursday, but the FTSE 250 added 0.2 percent to 9,601.2.

The oil sector saw gains on the day despite crude oil prices that were lower again after initial gains on the session. Premier Oil added 1.8 percent to £10.30 on talk that it could receive a bid from Pemex of Mexico. Cairn Energy was 3.1 percent higher to £21.32 ahead of the release of its half-year results next week. Tullow Oil gained 3.7 percent to 392¼p on reconfirmation of Deutsche Bank’s “buy” recommendation. In addition, oil services group Hunting was up 9.3 percent to 448p.

Among miners, Antofagasta managed a gain of 4 percent to 465½p on a gain in the price of copper.

Cruise ship operator Carnival added 2.9 percent on the session to £22.53 after a reiteration of Morgan Stanley’s “overweight” rating and on the news that Royal Caribbean’s earnings were up in its third quarter. This is somewhat of a comeback for Carnival, which was down 30 percent on the year so far.

Also staging a comeback was EMI, which has been in the doldrums since talks with Warner Music toward a merger were derailed in July. EMI added 2.4 percent to 267¾p on an upgrade to “outperform” from Cazenove, which cited the value of EMI’s back catalogue in light of the auction of BMG’s music publishing unit.

The equities markets in London took significant losses on Thursday as 2.9 billion shares changed hands during the day. The FTSE 100 fell 1.6 percent to 5,765 as miners fell substantially, while the media sector took the FTSE 250 2 percent lower to 9,176.2.

In the mining sector, BHP Billiton was down 3.9 percent to £10.51, Lonmin dropped 4.4 percent to £27.77, and Vedanta Resources fell 5.2 percent to £13.36. The losses reflected investor reluctance to take any risks at the present time.

On the other hand, oil exploration stocks rose with crude oil prices. Premier Oil added 0.8 percent to 957p, while Dana Petroleum gained 1.6 percent to £10.97.

In the media sector, EMI dropped 9.2 percent to 277¾p on the news that a European court had overruled the European Union’s approval of a merger between Sony Music and BMG as investors worried that the ruling might affect the proposed EMI/Warner deal, Meanwhile, Emap fell 14.9 percent to 712p after issuing a negative trading statement.

In the banking sector, Standard Chartered was down by 2.9 percent to £12.49 on concerns that it will need to raise $5 billion (£2.7 billion) if it wins the bidding for LG Card, the largest credit card issuer in South Korea. Analysts also pointed out that, with Standard Chartered’s purchase of Korea First Bank last year, the acquisition of LG Card would leave SC too heavily exposed to South Korea.

Gains on the FTSE 100 were few and limited. Rising oil prices took BP up just 0.1 percent to 641p. National grid gained 0.3 percent to 590p, while Tesco added 0.9 percent to 335p.

The FTSE 100 was up by 0.5 percent to 5,678.6 in London on Wednesday as the oil sector saw gains as crude oil prices were up again. The FTSE 250, however, dropped slightly to 9,197.2. Trade volumes remained below average, with only 2.4 billion shares changing hands.

BP added 0.9 percent to 618½p, BG Group was up 1.2 percent to 707p, and Royal Dutch Shell gained 1.4 percent to £18.41. Merrill Lynch confirmed its “overweight” rating for the sector as a whole.

PartyGaming dropped 2.1 percent to 113½p. Analysts believe that the drop is due to selling of the internet gaming company’s stock, which they bought earlier this month when four of PartyGaming’s founders sold 5 percent of the company.

In the media sector, EMI added 8.4 percent to 307½p on the news that it has turned down an offer worth 320p per share from Warner Music.

Corus Steel added 1.3 percent to 434p amid rumors that it has received a bid from either Severstal of Russia or Tata Steel of India. Earlier in the week, Severstal failed to completel a deal with Arcelor.

In the utilities sector, Severn Trent dropped 3.1 percent to £11.35 and United Utilities fell 3.3 percent to 630p.

In London on Monday, the FTSE 100 added 0.5 percent to 5,626.1, while the FTSE 250 was up 0.2 percent to 9,114.1. Trade was light, with just barely over 2 billion shares changing hands during the day. Light trade is expected to last throughout the week as investors are distracted by the World Cup.

Among media companies, ITV - down 17 percent since March, when it rejected an offer from a private equity consortium - was up slightly to 105¼p on the possibility that it might announce an increased share buyback and more cost-cutting measures on Wednesday. Elsewhere in the sector, BSkyB gained 2.3 percent to 564p on positive comments from Lehman Brothers. EMI added 2.8 percent to 278¾p when Credit Suisse raised the music group’s target share price from 300p to 310p. In addition, there was talk that EMI might revise its offer for Warner Music.

Hotel operator De Vere added 3 percent to 824p on weekend reports that said four different bidders have expressed interest. The latest possible bidder named is Richard Balfour-Lynn, the head of Marylebone Warwick Balfour, which gained 3.3 percent to 189½p.

In the insurance sector, Royal Sun & Alliance was up 2.8 percent to 126½p on the news that it will eliminate 1,550 jobs as a cost-cutting measure. Prudential added 3.2 percent to 566p. In addition, Friends Provident was up to 174¾p, while Legal & General climbed to 125¾p.

London’s equities markets came back from Monday’s holiday to major losses. The FTSE 100 declined by 2.4 percent to 5,652.0 while the FTSE 250 lost 2.9 percent to 9,235.5.

Shares in companies that depend on the US dollar for a large part of their earnings were especially vulnerable as the greenback continued to weaken. Among those losers were asset manager Amvescap, which declined by 4.2 percent to 408p; plumbers Wolseley, down 5 percent to £12.02; and building materials group Hanson, which lost 5.6 percent to 642p.

The insurance sector also saw losses. Prudential was down 4.3 percent to 576½p, while Old Mutual declined by 4.9 percent to 163½p.

Miners were down on the day even though metals prices were relatively stable. Copper miner Kazakhmys had the worst of it, dropping 4.6 percent to £10.85.

Gainers on the day included airport operators BAA, which added 6.4 percent to 873p after it said it had rejected a 900p per share offer from Spanish construction company Grupo Ferrovial. Amid mid-cap gainers was EMI Group, which was up 1.3 percent to 273¼p on rumors that US music group Warner Music might bid for the UK music company. In addition, Morgan Stanley upgraded EMI from “underweight” to “equalweight”.

In London on Wednesday the FTSE 250 went above 10,000 for the first time although it ended just below that level at 9,997.6, a gain of 0.3 percent on the day. The FTSE 100 also added 0.3 percent on the day to close at 6,104.3. The 100 benefited from gains in the financial sectors, while homebuilders helped the 250 into record territory.

There were declines on the day, however. British Energy dropped 4.6 percent to 682p after the price of European carbon dioxide emission credits dropped. And EMI was down 0.95 percent after recent gains when Merrill Lynch said that the benefits of a possible merger with US company Warner Music has now been incorporated into its share price. EMI closed at 285¾p.

Among financial companies, fund management group Amvescap gained 8.7 percent to 624p on a much better than anticipated first-quarter earnings report. Among banks, Lloyds TSB added 1.5 percent to 532p on a comment from Deutsche Bank that its dividend could increase next year, along with a reiteration of its “buy” recommendation and its 610p target share price.

Homebuilders were up on more rumors of mergers. Crest Nicholson was up 3.4 percent to 532½p on speculation that Bovis Homes Group is interested in buying the 23.3 percent the company currently owend by Heron International. Bovis added 0.3 percent to 908p on the talk.

Carphone Warehouse gained 5 percent to 338¾p after it’s house broker upgraded it to “outperform” and raised its target share price to 420p, a rise of 68 percent. It figures that the company’s recently launched bundled internet/phone service could increase profits by a significant amount in the next few years.