The Sensex at the Bombay Stock Exchange spurted 245 points, or 1.4 percent, to close at 17,228, after volatile trade, on Tuesday. The Nifty at the National Stock Exchange surged 81 points, or 1.6 percent, to 5,148. But stock markets in Japan, China, Hong Kong and South Korea fell between 0.3 percent and 1 percent.