The Sensex at the Bombay Stock Exchange rose 66 points, or 0.3 percent, to 19,931, after volatile trade, today, on easing domestic food inflation, and strong Asian and European markets. The Nifty at the National Stock Exchange gained 10 points, or 0.2 percent, to 5,999.Stock markets in Japan, China, Hong Kong, and South Korea rose between 1 percent and 2 percent.