Dec. 1 (Bloomberg) -- U.S. stocks extended their gains after an industry survey showed manufacturing strengthened more than expected in November.

The Standard & Poor's 500 Index added 8.22, or 0.7 percent, to 1182.04 as of 10:04 a.m. in New York. The Dow Jones Industrial Average rose 77, or 0.7 percent, to 10,505.02. The Nasdaq Composite Index climbed 19.59, or 0.9 percent, to 2116.40.

The Institute for Supply Management's factory index for last month rose to 57.8, the first increase since July, from 56.8 in October. The index has shown expansion, marked by readings greater than 50, since June 2003. Economists in a Bloomberg News survey expected a reading of 57.

To contact the reporter on this story: Scarlet Fu in New York at scarfu@bloomberg.net

Last Updated: December 1, 2004 10:08 EST