The following stocks were among those that moved substantially or traded heavily Tuesday on the New York Stock Exchange and the Nasdaq Stock Market:
Best Buy Co., down $3.84 at $41.53
The electronics retailer said its earnings more than quadrupled, but predicted profit margins will be squeezed next quarter.
Wells Fargo & Co., up 17 cents at $25.66
Wells Fargo will sell stock for $25 per share to help repay $25 billion in government bailout money.
Weyerhaeuser Co., up 60 cents at $43.11
The forest products giant's board approved a conversion of the company into a real estate investment trust for certain tax benefits.
Qwest Communications International Inc., up 18 cents at $4.26
The phone company was upgraded by an analyst who cited the stock's attractive value and expectations for improving revenue.
Steak n Shake Co., up $1.31 at $13.11
The operator of casual dining restaurants reported a fiscal fourth-quarter profit on higher sales.
JA Solar Holdings Co. Ltd., up 46 cents at $5.76
The China-based solar cell maker said it plans to buy back up to $75 million of its American Depositary shares.
Array BioPharma Inc., up 53 cents at $2.78
The company struck a development deal with Amgen Inc. worth $60 million upfront for a potential type 2 diabetes treatment.
SunPower Corp., up 93 cents at $24.12
The company told investors its continuing internal investigation into accounting irregularities has showed no new problems.