Recovering significantly from initial losses, the Sensex at the Bombay Stock Exchange stood just 31 points, or 0.2 percent in negative territory, at 20,636 in afternoon trade, a short while ago. Earlier in the morning, the Sensex had declined 184 points, or 0.9 percent, to 20,482, as funds and retail investors reduced their positions, amid a weakening rupee. The 30-share Sensex had lost 573 points in the previous four trading sessions.Stock markets in Japan, China, Singapore, Hong Kong, Taiwan, South Korea and Indonesia were trading mixed.