Stock Index Futures Edge Up

March SP500 is trading at 2257.25, down 8.75. March Nasdaq 100 is trading at 5052.50, down 5.75. March Russell 2000 is trading at 1342.9, down 9.20. March Dow Industrial futures are trading at 19700, down 45. Stock index futures are trading modestly choppy and have edged up from the session lows. Market chatter about headline news and corporate earnings has kept buyers and sellers active.