Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
Mead Johnson Nutrition Co., down $7.72 at $68.76
Wal-Mart pulled a batch of the company's infant formula from its stores after a baby given the formula died of a rare infection.
LDK Solar Co. Ltd., up 38 cents at $5.24
A Bloomberg report speculated that the Chinese solar module manufacturer could be bought since its stock price has fallen this year.
KB Home, down 33 cents at $6.89
A Stifel Nicolaus analyst downgraded the homebuilder to "Hold" from "Buy" a day after releasing its fourth-quarter earnings.
Akamai Technologies Inc., up $4.96 at $31.63
The online content delivery company said it acquired privately held competitor Cotendo for about $268 million in cash.
Bed Bath & Beyond Inc., down $3.85 at $57.58
The housewares retailer said that its third-quarter profit rose, but it said its fourth-quarter earnings might be lower than expected.
Vera Bradley Inc., up 47 cents at $31.60
In a note to clients, a Baird analyst said that she expects the handbag and accessories company to have "strong holiday sales."
WCA Waste Corp., up $1.48 at $6.39
The non-hazardous solid-waste services company said that it has agreed to be acquired by an investment fund for about $526 million.
Neogen Corp., down $1.11 at $30.99
The food and animal safety company posted second-quarter profit and revenue results that fell short of what Wall Street expected.