Trader Edward Schreier, right, works on the floor of the New York Stock Exchange Monday, Jan. 5, 2015. US stocks opened lower Monday, led by declines in energy stocks as the price of oil plunged again. (AP Photo/Richard Drew)

Markets stumble as oil dips below $50

A plunge in the price of crude is hitting energy companies and leaving investors fearful that the selling will spread to other industries.

A protester flies a black and white flag as many protesters gather in front of the Ferguson Police Department as they listen to the announcement of the grand jury decision Monday, Nov. 24, 2014, in Ferguson, Mo.  (AP Photo/David Goldman)

Ferguson grand juror sues over gag order

The American Civil Liberties Union filed the lawsuit Monday on behalf of an unnamed juror. The grand jury heard from about 60 witnesses over…

In this Wednesday, Oct. 1, 2014 photo, the interior of a 2015 Chevrolet Silverado 2500 4WD LTZ Crew Cab pickup truck is shown at Miami Lakes AutoMall in Miami Lakes, Fla. All major automakers report U.S. sales on Monday, Jan. 5, 2015. (AP Photo/Wilfredo Lee)

Carmakers finish strong in 2014

Buoyed by a resurgent economy, holiday sales, cheap gasoline and low interest rates, Americans headed to car dealers in droves last month.