Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
Halliburton Co., down $2.24 at $48.04
The Supreme Court ruled shareholders can pursue a class-action lawsuit claiming the oil services company inflated its stock price.
Harley-Davidson Inc., up 99 cents at $36.86
A UBS analyst initiated a "Short-Term Buy" on the motorcycle maker's shares based on an increase in retail sales.
Pilgrim's Pride Corp., up 11 cents at $4.16
The poultry producer and seller of fresh and frozen chicken products, announced that it had appointed a new chief financial officer.
DigitalGlobe Inc., up 60 cents at $24.50
A Morgan Keegan analyst upgraded the stock of the satellite imagery provider saying shares are now "attractively valued."
Starbucks Corp., up 58 cents at $35.74
A BMO Capital Markets upgraded the coffee giant's shares saying that he has confidence in the company's growth outlook.
A123 Systems Inc., down 38 cents at $5.39
An analyst downgraded the maker of lithium ion batteries for electric cars as it cut its overall forecast for electric car sales.
First Financial Bancorp., up 62 cents at $15.66
A Baird analyst upgraded the bank's shares after the company said it was acquiring 16 branches of an Ohio savings bank.
United Therapeutics Corp., down $3.70 at $59
The biotechnology company announced results of a high blood pressure drug study that a Citi analyst called "good, but not great."