* Oil prices push energy shares higher (Adds details, closing prices)
LONDON, April 24 European shares had a choppy opening on Tuesday as a batch of first-quarter corporate results failed to set a clear trend, and chipmakers were weighed down by AMS' warning of a downturn in orders. The pan-European STOXX 600 was up 0.16 percent by 0735 GMT after spending some time in negative territory as it moved towards a heavy week of earnings.
April 24 Britain's FTSE 100 index is seen opening 10 points higher at 7,409 on Tuesday, according to financial bookmakers,with futures up 0.10 percent ahead of the cash market open.
April 24 Britain's FTSE 100 index is seen opening 10 points higher at 7,409 on Tuesday, according to financial bookmakers. * GLENCORE: Shares in Glencore-owned Katanga Mining Ltd lost half of their value on Monday and cobalt markets were on alert after the company said the Democratic Republic of Congo's (DRC) state-owned mining company had taken steps to dissolve its local copper and cobalt unit. * ROLLS-ROYCE: Rolls-Royce may transfer the design approval process fo
* Metro sinks as analysts digest Friday profit warning (For a live blog on European stocks, type LIVE/ in an Eikon news window)
LONDON, April 23 European shares fell on Monday as results from Switzerland's biggest bank, UBS, disappointed investors, and a rise in U.S. Treasury yields put pressure on bond-proxy sectors.