Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
Schiff Nutrition International Inc., up 83 cents at $11.80
The maker of dietary supplements and nutrition bars said its third-quarter sales grew 25 percent, and it boosted its sales forecast.
FedEx Corp., down $3.32 at $92.50
The delivery company said that customers are choosing cheaper means of shipping their packages due to the state of the economy.
Discover Financial Services, up 85 cents at $32.49
First-quarter profit rose 36 percent as customers used the company's namesake credit card more and racked up higher balances.
Convergys Corp., up $1.31 at $14.02
Japanese electronics company NEC Corp. said that it is buying Convergys Corp.'s information management business for $449 million.
Dollar General Corp., up $1.39 at $46.14
The discount store operator said that its fiscal fourth-quarter profit rose 32 percent as customers spent more at its stores.
Diamond Foods Inc., down $1.86 at $23.78
The maker of Emerald nuts and other snacks said that it is suspending its dividend payments to stockholders in a new credit agreement.
UTi Worldwide Inc., up $1.04 at $17.04
The freight logistics company said that its fourth-quarter net income fell as weak shipping volumes cut into revenue growth.
Sonic Corp., down 51 cents at $7.54
The restaurant chain's fiscal second-quarter revenue missed analysts' expectations and it gave a cautious 2012 sales outlook.