Stocks that moved substantially or traded heavily Wednesday on the New York Stock Exchange and Nasdaq Stock Market:
Darden Restaurants Inc., down $2.68 at $44.30
The owner of Red Lobster said its net income fell because of higher food costs and fewer customers due to Hurricane Irene.
Jabil Circuit Inc., up $1.46 at $18.84
The electronic parts maker posted better-than-expected fourth-quarter earnings and said it gained market share and new customers.
Chesapeake Energy Corp., down 41 cents at $27.27
The oil and gas company said it is producing a record amount of oil from new wells in eastern Ohio and western Pennsylvania.
Reddy Ice Holdings Inc., down 33 cents at $1.30
The New York Stock Exchange warned the packaged ice seller that it is in danger of being delisted due to low market capitalization.
Sealy Corp., down 26 cents at $1.53
A KeyBanc analyst said that the mattress maker could lose some of its earnings power due to the weak economy and increased costs.
RealD Inc., down $1.80 at $10.42
Sony told theaters that it will stop paying for 3-D glasses for each of its films, which could hurt the 3-D technology company.
Amazon.com Inc., up $5.50 at $229.71
The online retailer unveiled the Kindle Fire, a full-color tablet computer that costs less than Apple's market-leading iPad.
Buffalo Wild Wings Inc., up 2 cents at $62.95
A Wedbush analyst began coverage of the restaurant operator with an "Outperform" rating saying that the company is quickly growing.