Toyota said Thursday it is evaluating brake problems with the 2010 Prius gas-electric hybrid, but no decision has been made about a recall.

FRIDAY, Feb. 5 WASHINGTON — Labor Department releases employment data for January, 8:30 a.m.; Federal Reserve releases consumer credit data for December, 3 p.m.

Shares of companies that produce metals, coal and oil led U.S. markets in a broad decline, as the dollar rose and concern about the global economy intensified.

The following stocks were among those that moved substantially or traded heavily Thursday on the New York Stock Exchange and the Nasdaq Stock Market:

Shares of NCR Corp. climbed Thursday after the maker of ATMs, checkout scanners and self-serve kiosks posted fourth-quarter results above analysts’ expectations.

The Dow briefly fell below the crucial 10,000 mark on Thursday as stocks suffered their worst losses in more than nine months.

Top U.S. retail chains ended their fiscal year with better-than-expected January sales, but the current first quarter could be tougher if consumers overspent during the holiday season.

Shares of RightNow Technologies Inc. fell Thursday after the customer-service management software company forecast first-quarter and 2010 earnings below analyst expectations.

Sellers drove markets across the board lower on Thursday, sending a variety of exchange-traded funds back into oversold territory. Among the bigger pullbacks were those in the financial sector, such as the drop of more than 11% in the Direxion Daily Financial Bull 3x Shares ETF, FAS.

Shares of Auxillium Pharmaceuticals slid Thursday after an analyst said the launch of its drug to treat a hand condition may take longer than most people expect.