Falling for the third straight day, the Sensex at the Bombay Stock Exchange declined 60 points, or 0.4 percent, to 16,420, amid subdued global markets, today. The Sensex had lost over 430 points in the previous two trading sessions. The Nifty at the National Stock Exchange shed 9 points, or 0.2 percent, to 4,966.Stock markets in Japan, China, Hong Kong, Singapore and South Korea ended mixed.