Snapping three days of losses, the Sensex at the Bombay Stock Exchange surged 208 points, or 1.1 percent, to close at 19,570, today, as a fall in core inflation to a nearly 3-year low fueled hopes of a rate cut by the Reserve Bank next week. The Nifty at the National Stock Exchange rose 58 points, or 1 percent, to 5,909.Stock markets in Japan, China, Hong Kong, and South Korea rose between 0.1 percent and 1.2 percent.