After its record fall yesterday, the Sensex opened strong this morning and soared 383 points within minutes but a sharp bout of volatility soon engulfed the markets in the morning trade. In a see-saw trade, the index slipped into the negative territory but recovered and was up 120 points at 25,862 points.At the same time, the Nifty of the National Stock Exchange rose by 39 points to 7,848 after dipping to a low of 7,801 in early trade.Brokers said, emergence of buying at prevailing lower levels in bluechips coupled with covering-up of short positions by speculators, helped key indices to trade in the positive zone. A recovery at other Asian markets influenced sentiments.Among other Asian markets, Hong Kong's Hang Seng was up 1.36 per cent, while Japan's Nikkei was up by 1.10 percent in early trade.However, Shanghai Composite index tumbled 4.49 per cent.The US Dow Jones Industrial Average ended 3.57 per centlower in yesterday's trade.