Investors pocketed gains after an impressive autumn rally, though the decision was made easier by some disappointing corporate news, weak miners and negative broker comment on the insurance sector.The top 100 index fell back sharply from six-month highs, dropping below 5,680 at one point although a partial recovery in the US after an early dive narrowed losses in London late on.Even figures revealing Britain's economy grew twice as fast as expected during the third quarter failed to generate much enthusiasm. The UK grew by 0.8% in the three months to the end of September, but analysts had only forecast growth of 0.4%.Wall Street cheered record profits from Ford and better than expected consumer confidence data, although stocks have come a long way recently and investors remain nervous. The latest housing data was nothing to write home about.Back in the City, Cairn Energy was the biggest casualty after a third failure at its drilling campaign offshore Greenland, but the company remains positive even if short term investors don't. News that the T4-1 exploration well in the Baffin Bay region turned up dry follows a similar outcome for the T8-1 well, while drilling at Alpha-1S1 stopped at the end of September. The latest failure cost Cairn $185m. Drilling will resume in the spring.The boom in mobile devices using ARM Holdings' intellectual property was largely responsible for chip designer's solid third quarter. Revenue rose 34%, but analysts at Panmure Gordon said the numbers were expected. They remain bearish on the stock as "the share price is discounting a fairly stellar performance over the next few years". KBC Peel Hunt was another broker suggesting the share price has got ahead of itself in recent months.Bid rumours have also driven the price up recently, but Panmure thinks an approach is unlikely. Last night's warning on fourth quarter revenue from ARM chip user Texas Instruments didn't help.Insurers Prudential, Legal & General and Standard Life have been injured by a Bank of America Merrill Lynch downgrade. The Americans cut their rating on the sector following a recent strong run.Banks started well, but most soon turned lower - Lloyds being an exception. Bank of England governor Mervyn King launched a fresh attack on them over the credit crunch and warned that much more equity will be necessary to build up their capital bases. A surprise third quarter loss at the investment banking arm of Swiss giant UBS also soured sentiment. Standard Charteredand Barclays are nursing losses.Miners Eurasian Natural Resources, BHP Billiton, Randgold Resources and Rio Tinto were among the weakest performers as a dollar recovery made commodities more expensive to overseas buyers.Brit Insurance, the underwriter that sponsors the England cricket team and the Oval cricket ground, has backed a takeover by private equity buyers worth up to £888m. The offer made by Apollo Management and CVC Capital Partners values each share at between £10.75 and £11. There's £10.45 in cash, a 30p capital distribution, plus contingent value payment worth as much as 25p, depending on the value of the company's net tangible assets at the end of the year.Elsewhere, Fidessa, the provider of multi-asset trading systems, said uncertainty in its markets has continued into the third quarter. "Looking ahead, we believe the market will remain difficult to predict," the company said. "Despite this, we are confident that we can deliver good growth for 2010 as a whole although, as previously stated, we do not believe that the overall rate of growth will be as high as that seen during 2009," it added.South African miner Aquarius Platinum saw a sharp rise in earnings in the third quarter, helped by an increase in production of platinum group metals (PGM). Earnings before interest, tax, depreciation and amortisation surged to $39.2m from $16.5m the year before. The UK's second biggest cinema chain Cineworld posted a 8.5% increase in revenue in the 42 weeks to 21 October after the summer's strong 3D film line-up.Panmure Gordon has cranked up its target price for ASOS anticipating a strong Christmas trading period for the fast growing online clothes retailer. Analyst Jean Roche highlights a number of "reasons to be cheerful" about ASOS's prospects notably that UK online fashion sales growth accelerated in September, up 24% from August and 28% from last September.Bus and train group Go-Ahead's chief executive Keith Ludeman is to retire after 15 years with the company to be replaced by David Brown, currently TFL's Managing Director, Surface Transport. The group added that trading in the period to end October has been robust and it has not changed its expectations for the full year to 2 July 2011.The share price of flowers and gifts retailer Flying Brands is wilting after the company warned that it continued to experience difficult trading conditions in its core bedding plants business.FTSE 100 - RisersCarnival (CCL) 2,768.00p +4.30%Pearson (PSON) 966.00p +1.95%Vodafone Group (VOD) 167.40p +0.90%Kazakhmys (KAZ) 1,391.00p +0.80%International Power (IPR) 408.80p +0.69%Schroders (Non-Voting) (SDRC) 1,216.00p +0.66%Inmarsat (ISAT) 633.50p +0.64%Reckitt Benckiser Group (RB.) 3,436.00p +0.53%National Grid (NG.) 586.50p +0.43%TUI Travel (TT.) 211.80p +0.38%FTSE 100 - FallersCairn Energy (CNE) 382.50p -7.16%ARM Holdings (ARM) 366.20p -5.91%BHP Billiton (BLT) 2,196.50p -2.49%Cobham (COB) 239.40p -2.48%Old Mutual (OML) 131.10p -2.46%Unilever (ULVR) 1,812.00p -2.37%Eurasian Natural Resources Corp. (ENRC) 906.00p -2.11%Burberry Group (BRBY) 1,005.00p -2.05%Serco Group (SRP) 621.50p -1.82%ICAP (IAP) 461.10p -1.81%FTSE 250 - RisersGo-Ahead Group (GOG) 1,358.00p +6.68%Pace (PIC) 213.60p +5.85%Mcbride (MCB) 186.40p +5.49%Dixons Retail (DXNS) 28.53p +5.43%CPP Group (CPP) 249.30p +5.19%BSS Group (BTSM) 454.30p +5.11%JD Sports Fashion (JD.) 828.00p +3.50%Synergy Health (SYR) 774.50p +3.47%Cable & Wireless Communications (CWC) 53.90p +3.16%SIG (SHI) 117.60p +2.89%FTSE 250 - FallersFidessa Group (FDSA) 1,584.00p -8.01%Punch Taverns (PUB) 72.90p -4.52%Dunelm Group (DNLM) 486.30p -3.70%Regus (RGU) 83.10p -3.54%TR Property Inv Trust Sigma Shares (TRYS) 78.00p -3.47%SThree (STHR) 296.00p -3.46%Cookson Group (CKSN) 569.00p -3.15%Afren (AFR) 130.00p -3.06%Rotork (ROR) 1,711.00p -2.84%Melrose (MRO) 288.20p -2.77%
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