The Bombay Stock Exchange benchmark Sensex which rose by 472 points in the previous session, eased by 16 points, or 0.10 per cent, to 16,507 in the first five minutes of trade on Wednesday.The wide-based National Stock Exchange Nifty index shed 6 points, or 0.13 per cent, to 4,964, with stocks of realty, auto and metal sectors trading in the red.Meanwhile, Hong Kong's Hang Seng index was down by 1.11 per cent, while Japan's Nikkei index was trading 0.49 per cent higher in early trade on Wednesday.