By Sarah Turner

Broker moves took center stage for some British-listed shares on Friday, with several utilities pressuring the top index after a broker downgrade.

International Power , down 3.6%, was cut to neutral from overweight at J.P. Morgan, while Scottish & Southern Energy , down 1.9%, was cut to underweight from neutral.

The broker said that the firms face an uncertain environment: weak power prices; increasingly onerous environmental legislation; significant capital spending to replace ageing capacity; and political uncertainty.

Overall, the FTSE 100 index lost 0.4%, or 21.44 points, to 5,706.36, after closing at a fresh 2010 high on Thursday.

"With next week culminating in the month-and quarter end, plus the prospect of many markets being closed for the long weekend, the temptation to start booking some profits could start to lure many in," said Anthony Grech, strategist at IG Index.

Other European shares were also backing away from annual highs although the euro gained against the dollar after European leaders set out details of a plan to support Greece. Sterling (CUR_GBPUSD) also advanced against the dollar, rising 0.3% to $1.4865.

U.S. stocks edged higher in early action.

Shares of U.K. hedge fund manager Man Group were also under pressure, trading down 2.1%.

The firm is looking for possible investments, acquisitions and distribution deals in the U.S. and has spoken to GLG Partners (GLG) and SAC Capital Advisors, Bloomberg reported Friday, citing people with knowledge of the discussions.

Enterprise telecom provider Cable & Wireless Worldwide shares started trading at 89 pence per share on Friday and were recently at 95 pence. The firm, along with Caribbean operator Cable & Wireless Communications , used to form Cable & Wireless.

The combined price of 151 pence is greater than the last price of Cable & Wireless of 148 pence.

Outside the top index, Regus shares were up 4.4%.

The office-space provider was upgraded to outperform from neutral at Credit Suisse.

"We had thought that occupancy in particular would have continued to decline throughout the first half of 2010 focusing investor attention on shorter-term earnings risk rather than longer-term value. But management now notes that pricing and occupancy have stabilized," the broker said.

"With a trough in the first half, we expect earnings and cash flow to more than quadruple from 2010 estimates to 2013 estimates," the broker added. Shares rose 2.9%.

The broker also upgraded Premier Oil to outperform from neutral on Friday.

"With the shares at a 16% discount to our new-net-asset value and target price of 1,436 pence, we think we get an attractive option on the 2010 drilling campaign and a production base that could more than double [over five years]," the broker said.

Shares were up 2% at 1,235 pence.

QinetiQ shares were down 4.3%.

The defense-sector firm was downgraded to sell from neutral at UBS which also cut its price target to 130 pence, from 150 pence.

"We believe that market expectations are too high on earnings, dividends and the prospect of a strategic rate plan announcement," the broker said. "We also believe the market under-appreciative of the likelihood of an equity raising," it added,

 
 
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