The Sensex at the Bombay Stock Exchange fell a marginal 18 points, or 0.1 per cent, to 19,211 in early trade, today, on mild selling by investors ahead of Wholesale Price Index inflation data.But after the release of encouraging inflation numbers, the Sensex gained ground, and stood 83 points, or 0.4 percent in positive territory, at 19,312 in afternoon deals, a short while ago. The 30-share Sensex had lost almost 260 points in the previous five trading sessions.Key stock indices in Japan, China, Hong Kong, Singapore, Taiwan and South Korea were trading mixed, today. The US Dow Jones Industrial Average had ended 0.6 per cent lower in yesterday's trade. The rupee trimmed its initial sharp losses but was still quoted down by four paise to 54.50 against the American currency in the late morning trade today on dollar demand from banks on the back of firm global cues. The local unit resumed lower at 54.52 per dollar as against the last closing level of 54.46 per dollar at the Interbank Foreign Exchange Market. It dropped further to a low of 54.75 per dollar on sustained dollar demand from banks and importers in view of firm dollar overseas. However, it recovered from its initial sharp losses to 54.48 per dollar before quoting at 54.50 per dollar at 1050 hrs on hopes of more foreign capital inflows into equity market.In New York, the US dollar rose against the Japanese yen to its highest level since March yesterday and sat little changed versus the Euro after regional leaders moved closer to a banking union and gave Greece its bailout money.