Mumbai, Feb. 10 -- The Dow crept up 20.20 points or less than a tenth of a percent to 50,135.87, the Nasdaq jumped 207.46 points (0.9%) to 23,238.67 and the S&P 500 climbed 32.52 points (0.5%) to 6,964.82.

Wall Street's strength was partly driven by a continued rebound in tech stocks, extending the rally seen last Friday. Software giant Oracle (ORCL) led gains in the sector, surging 9.6% after D.A. Davidson upgraded its rating to Buy from Neutral. However, investors appeared cautious ahead of key U.S. economic reports due this week, including the delayed Labor Department's monthly jobs report following last week's brief government shutdown.

The report is expected to show a 70,000 increase in January payrolls after a 50,000 gain in Decem...