Snapping a four-session rally, the Sensex at the Bombay Stock Exchange closed 58 points, or 0.4 percent lower, at 16,441, on profit-booking, today. The Nifty at the National Stock Exchange fell 17 points, or 0.3 percent, to 4,882.Stock markets in Japan, China, South Korea, Hong Kong and Singapore posted modest gains of upto 0.5 percent.