The Sensex at the Bombay Stock Exchange rose 106 points, or 0.6 per cent, to 17,338 in early trade, today, on fresh buying by funds and retail investors, after IT major, TCS reported better-than-expected quarterly results, and as regional markets rose. Later, the Sensex trimmed its gains, and stood 63 points, or 0.4 percent in the green, at 17,296 in afternoon deals, a short while ago. The 30-share Sensex had lost 386 points in the previous two trading sessions.Key stock indices in Japan, Hong Kong, Indonesia, South Korea and Singapore had gained between 0.2 percent and 1.5 percent, today. But the US Dow Jones Industrial Average had ended 0.3 per cent lower in yesterday's trade.The rupee appreciated by 31 paise and was trading at 55 rupees 63 paise per Dollar on selling by banks and exporters amid persistent capital inflows. The rupee resumed higher at 55 rupees 65 paise a dollar against the last closing level of 55 rupees 94 paise at the Interbank Foreign Exchange market. Fresh selling of dollars from banks and exporters in view of sustained capital inflows from foreign funds into equity market boosted the rupee value.