How the major stock indexes fared Thursday

AP News
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Posted: Mar 17, 2011 4:43 PM

Signs that the U.S. economy is improving helped investors put aside fears over Japan's nuclear crisis Thursday, if only temporarily. A gauge of manufacturing in the mid-Atlantic region jumped in February to the highest point since January 1984. All 10 company groups in the S&P 500 index rose.

The Dow Jones industrial average gained 161.29 points, or 1.4 percent, to 11,774.59.

The Standard & Poor's 500 index rose 16.84, or 1.3 percent, to 1,273.72.

The Nasdaq composite gained 19.23, or 0.7 percent, to 2,636.05.

For the week:

The Dow is down 269.81, or 2.2 percent.

The S&P is down 30.56, or 2.3 percent.

The Nasdaq is down 79.56, or 2.9 percent.

For the year to date:

The Dow is up 197.08, or 1.7 percent.

The S&P is up 16.08 or 1.3 percent.

The Nasdaq is down 16.82, or 0.6 percent.