 US stock trading is underway and the major indices are trading above and below unchanged. They did erase earlier premarket declines help by better-than-expected productivity data in the US.Dow industrial average is trading up 10.63 points or 0.03 of 33606.98SP index is up 2.9 points or 0.07 at 3944.15NASDAQ index is down 13.66 points or -0.12 at 11001.23Russell 2000 is up 5.3 points or 0.29 at 1817.87 This article was writ... 