Stock Index Futures Gains Erode

March SP500 is trading at 2265.00, up 5.25. March Nasdaq 100 is trading at 4971.75, up 29.50. March Russell 2000 is trading at 1377.00, up 6.8. March Dow Industrial futures are trading at 19893, up 19. Stock index futures are trading rangebound and some of the session gains have eroded during a mostly quiet post-holiday trading session. Market chatter about the U.S. economy and comments from policy makers is making the rounds.