Falling for the second straight session, the Sensex at the Bombay Stock Exchange declined 94 points, or 0.6 percent, to 16,219, amid weak Asian markets, today. The Nifty at the National Stock Exchange lost 27 points, or 0.5 percent, to 4,924.Stock markets in Japan, China, Hong Kong, South Korea and Singapore declined between 0.1 percent and 1 percent.