The Sensex at the Bombay Stock Exchange gains 59 points to 20042 points in late morning deals.The wide-based National Stock Exchange index Nifty rose 25 points to 5,953. In the Asian region, Japan's Nikkei was up by 0.44 per cent, while Hong Kong's Hang Seng index shed 0.62 per cent in early trade. The US Dow Jones Industrial Average ended 1.07 per cent lower yesterday.