Wall St. mixed at the start

Nasdaq edges up, Dow lower as investors await key economic reports.

NEW YORK (CNNMoney.com) -- U.S. stock were mixed at the start of trading Tuesday as investors awaited key reports on construction, manufacturing and auto sales.

The Dow Jones industrial average eased 0.2 percent. The Nasdaq composite index was up slightly. The Standard & Poor's 500 index dipped 0.1 percent.

Among stocks in the news early Tuesday: Thornburg Mortgage (Charts), Mattel (Charts, Fortune 500), CBS (Charts, Fortune 500), Research in Motion (Charts), AT&T (Charts, Fortune 500) and Home Depot (Charts, Fortune 500). Top of page