Erasing all its ealier losses, the Sensex at the Bombay Stock Exchange was trading in green with a marginal gain of 2 points, at 17,386, in the afternoon trade, a short while ago. The Nifty of the National Stock Exchange moved up 5 points, or 0.1 percent, to 5,262.In other Asian markets, key indices in Japan, Hong Kong, China and South Korea and Singapore dropped between 0.1 percent and 0.8 percent, in inta-day trade, today.