European shares fall as Greek stocks slide
* Athens' ATG index down 4.4 pct worries over debt
* FTSEurofirst 300 falls, DAX down over 1 pct
* U.S. trade deficit rises
* UBS rises after profits almost double
* Asset performance in 2015: link.reuters.com/gap87v
By Sudip Kar-Gupta
LONDON, May 5 (Reuters) - European shares fell on Tuesday as renewed worries over Greece weighed on the region's stock markets.
Athens' benchmark ATG equity index fell 4.4 percent on concern over a deadlock in Greece's attempts to make a deal with its international creditors.
Greece stepped up diplomatic efforts with its euro zone partners on Tuesday to avoid running out of money this month, when it must make a big debt repayment to the International Monetary Fund (IMF) as cash reserves dry up. Continuación...