The Sensex at the Bombay Stock Exchange stood 87 points, or 0.5 percent in positive territory, at 19,265, in afternoon trade, a short while ago, even as the Reserve Bank of India kept key interest rates unchanged in its monetary policy review. arlier in the morning, the Sensex had opened with a gain of 79 points, or 0.4 per cent, at 19,257 on selective buying by funds. Stock markets in Japan, China, Hong Kong, Indonesia, Taiwan and Singapore had climbed between 0.1 percent and 1.9 percent, today.