Oil, banks trip up European shares
LONDON, May 26 European shares slid in thin trade on Friday as shares in energy firms and banks dropped, ending a lacklustre week relatively little changed.
U.S. STOCKS EXTEND LOSSES; DOW JONES AND S&P 500 DOWN ABOUT 0.4 PCT, NASDAQ DOWN ABOUT 0.6 PCT
* Sterling hit as PM Theresa May's pre-election poll lead shrinks
* Dow down 0.06 pct, S&P off 0.01 pct, Nasdaq up 0.06 pct (Adds details, changes comment and updates prices)