Initial stock buying peters out

U.S. markets lose early gains as investors remain wary of credit issues.

NEW YORK ( -- U.S. stocks were flat after an initial advance Monday as investors remained nervous in the wake of one of the biggest one-week market drops of recent years.

The Dow Jones industrial average, the Nasdaq composite index and the Standard & Poor's 500 index were little changed.

Among stocks in the news Monday: American Home Mortgage Investment (Charts), Verizon Communications (Charts, Fortune 500), RadioShack (Charts, Fortune 500), Monster Worldwide (Charts), Dow Jones (Charts) and Rural Cellular (Charts). Top of page