LONDON, Nov 9 (Reuters) - Europe shares extended gains on Monday, boosted by a rise on Wall Street, as equities worldwide took heart from the G-20's statement at the weekend that economic stiumulus is set to continue.

At 1620 GMT, the FTSEurofirst 300 index of top European shares was up 1.9 percent at 1,011.77 points, and had hit a high of 1,012.71. The Dow Jones .DJI, S&P 500 .SPX and Nasdaq Composite .IXIC were up 1.5 percent. (Reporting by Brian Gorman)