The Sensex at the Bombay Stock Exchange jumped 183 points, or 1 percent, to end at a 15-month high of 18,763, amid a strengthening rupee, and positive global cues, today. The Nifty at the National Stock Exchange added 54 points, or 1 percent, to 5,703.Stock markets in China, Hong Kong and South Korea gained between 0.5 percent and 1.5 percent.