Stock Index Futures Extend Gains

March SP500 is trading at 2390.25, up 27.50. March Nasdaq 100 is trading at 5376.75, up 45.50. March Russell 2000 is trading at 1410.50, up 25.60. March Dow Industrial futures are trading at 21059, up 252. The SP500 stock index futures have extended the session gains during a firm trading session. Market chatter about comments from corporations and the U.S. economy is making the rounds.