The Sensex at the Bombay Stock Exchange lost 93 points, or 0.5 per cent, to 17,209, in intra-day trade, today. The Nifty at the National Stock Exchange slipped 33 points or 0.6 percent. Key stock indices in China, Hong Kong, Singapore and South Korea were trading mix in intra-day trade. Stock markets in Japan are closed today for a holiday.