NEW YORK -- Stocks climbed Thursday on Wall Street, aiming for their first significant advance in more than a week, on the busiest day for quarterly corporate earnings reports.

The Dow Jones industrial average was up 30 points at 13,108 as of 11:15 a.m. The Standard & Poor's 500 index was up five points at 1,413 and the Nasdaq composite index was up 10 at 2,991.