The Sensex at the Bombay Stock Exchange declined 62 points, or 0.3 percent, to 18,632, on mild profit-booking, amid falling global markets, today. The Nifty at the National Stock Exchange fell 10 points, or 0.2 percent, to 5,663Stock markets in Japan, China, Hong Kong, South Korea and Singapore lost between 0.6 percent and 2 percent.