Stocks that moved substantially or traded heavily Tuesday on the New York Stock Exchange and Nasdaq Stock Market:
Sony Corp., down $1.86 at $18.24
The Japanese electronics company more than doubled its projected annual loss to $6.4 billion, its steepest ever, due to a tax charge.
Supervalu Inc., up 81 cents at $6.13
The grocer said that it swung to a loss in the fourth quarter, but the company's results still beat Wall Street's expectations.
Safeway Inc., up 26 cents at $19.90
The grocery chain said that it promoted its executive vice president and chief financial officer Robert Edwards to president.
Best Buy Co. Inc., down $1.33 at $21.32
Brian Dunn, the chief executive officer of the electronics retailer, resigned. The company said that it was a mutual decision.
Penn Virginia Resource Partners LP, up $2.59 at $24.95
The oil and natural gas company is buying pipeline company Chief Gathering for $1 billion, expanding its natural gas pipelines.
InterOil Corp., up $3.17 at $55.56
A Raymond James analyst upgraded the oil and gas company after Papua New Guinea, where InterOil is based, said it won't delay an election.
Tenet Healthcare Corp., down 9 cents at $5.02
The hospital owner will pay $42.8 million to resolve allegations it overbilled Medicare for patients who needed inpatient rehab.
X-Rite Inc., up $1.54 at $5.54
Health care conglomerate Danaher said it is buying the color technology company for about $477.9 million, or $5.55 a share.