Stocks posted solid gains today as commodity prices rose, the Wall Street Journal reports. Oil jumped $3.08 to $71.28 a barrel and gold crossed the $1,000-an-ounce mark. Commodity-producing stocks Exxon, Chevron, and Alcoa all saw gains as a result. The Dow added 56 points to close at 9,497. The Nasdaq gained 19 points, settling at 2,038, and the S&P 500 rose 9 points to close at 1,025.