Stock Index Futures Extend Gains

March SP500 is trading at 2360.75, up 12.75 March Nasdaq 100 is trading at 5346.00, up 20.25. March Russell 2000 is trading at 1410.10, up 12.50 March Dow Industrial futures are trading at 20691, up 102. Stock index futures have extended the session gains. Trading is choppy and active.