ECONOMY: A gauge of manufacturing in the mid-Atlantic region jumped in February to the highest point since January 1984. The Labor Department reported that the number of people applying for unemployment benefits fell more than economists expected last week. Ongoing claims dropped to the lowest level since October 2008.
BROAD GAIN: Twenty-six out of the 30 stocks that make up the Dow industrial average gained for the day. Each of the 10 company groups that make up the S&P 500 index rose.
THE INDEXES: The Dow gained 161.29, or 1.4 percent, to 11,774.59. The S&P 500 gained 16.84 to 1,273.72. The Nasdaq composite gained 19.23 to 2,636.05.