REFILE-UPDATE 1-European stocks lose steam as ECB sits on its hands
* European share gains fade after ECB takes no fresh action
* Draghi Decides not to inject further liquidity into financial system
* Orange jumps on confident guidance
* FTSEurofirst 300 flat, Euro STOXX 50 up 0.3 pct
* Spain and Italy outperform for second day in a row
By Sudip Kar-Gupta and Tricia Wright
LONDON, March 6 (Reuters) - European stock markets gave up their gains on Thursday after the European Central Bank chose not to take action to inject more liquidity into the region's financial system, disappointing some investors.
The FTSEurofirst 300 ended the day flat at 1,344.56 points, having earlier moved higher, while the euro zone's blue-chip Euro STOXX 50 index was up just 0.3 percent at 3,144.53 points, down from its intraday high of 3,158.15 points.
The ECB kept interest rates on hold on Thursday and also chose not to suspend weekly operations in which it soaks up the money it spent on sovereign bonds at the height of the euro zone debt crisis. Continuación...