FTSE 100 falls; oil stocks, miners post losses

LONDON (MarketWatch) � Britain�s benchmark stock index snapped a four-day winning streak on Friday, as losses for oil stocks and miners weighed on the index.

The FTSE 100 UK:UKX �fell 0.2% to close at 5,728.6.

But London�s equities exchange finished 1.6% up on the previous week�s close, after positive economic data and successful debt auctions lifted investor sentiment throughout the week.

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Engineering company Weir Group PLC UK:WEIR �was the biggest loser on the FTSE 100, slipping 6%.

Close behind was oil-services firm Petrofac Ltd. UK:PFC , which slid 4.3%, after J.P. Morgan Cazenove downgraded its rating on the stock to neutral from overweight. �We see nervousness building with respect to the achievability of 2013 revenue,� J.P. Morgan analysts said in a note.

Other oil stocks weighed on the index, including BP PLC UK:BP BP , which suffered a 3.1% loss. BG Group PLC UK:BG �and Tullow Oil PLC UK:TLW �also declined, dropping 2.2% and 1.6%, respectively.

The mining sector was also under pressure, with shares in Antofagasta PLC UK:ANTO �down 1.9%. BHP Billiton PLC UK:BLT �BHP �fell 1.5% and Rio Tinto PLC UK:RIO �moved down 1.2%.

However, mining company Vedanta Resources PLC UK:VED �finished at the top of the index, after gaining 4.7%. The firm said its oil-producing subsidiary, Cairn India, had begun pumping at a site in Rajasthan, India.

Shares in Man Group PLC UK:EMG �advanced following an upgrade by Deutsche Bank, which raised its rating on the stock to hold from sell. Shares in the company jumped 1.4%.

In the same sector, financial services firm ICAP PLC UK:IAP �jumped 4.1%.

Retailers also ended the trading week on a high. Marks & Spencer Group PLC UK:MKS �rose by 2.4%, while Next PLC UK:NXT tacked on 1.1%. Supermarket chain J. Sainsbury PLC UK:SBRY �and Wm. Morrison Supermarkets PLC UK:MRW both added 0.9%.

Index heavyweight Vodafone Group PLC UK:VOD �climbed 1.4%. The mobile-telecommunications firm said an Indian Supreme Court concluded Friday that it had no liability to account for withholding tax on its 2007 acquisition of interests in Hutchison Essar. �

Diageo PLC UK:DGE �added 0.8%. Investec Securities upgraded its rating on the beverage producer, lifting it to buy from hold, saying its new guidance signals new levels of ambition.