Snapping its five-day rally, the Sensex at the Bombay Stock Exchange fell by 76 points in early trade today, after the RBI announced additional liquidity tightening measures to check the rupee slide. The 30-share index had gained over 451 points in the past five sessions.The Nifty at the National Stock Exchange index shed 38 points to 6,040.In the Asian region, Hong Kong's Hang Seng index traded lower by 0.35 per cent, while Japan's Nikkei Index shed 0.58 per cent, in early trade. The US Dow Jones Industrial Average, however, ended 0.14 per cent higher in yesterday's trade.