Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
Citigroup Inc., down 7 cents at $4.43
The bank plans to reinstate a quarterly dividend of a penny per share in the second quarter after launching a 1-for-10 reverse stock split.
Tiffany & Co., up $2.93 at $60.22
The jeweler said strong holiday demand and new products boosted quarterly profit, but cut its guidance because of the hit to its Japan business.
AT&T Inc., up 32 cents at $28.26
The wireless carrier is seeking to buy T-Mobile USA for $39 billion. The combined entity would be the largest cell phone company in the U.S.
Sprint Nextel Corp., down 69 cents at $4.36
The country's No. 3 wireless carrier had reportedly sought a deal with T-Mobile USA, which AT&T Inc. said it is planning to buy.
Supervalu Inc., up 23 cents at $8.36
A Barron's article over the weekend said a turnaround could finally be taking place at the long-struggling grocery chain.
The New York Times Co., up 51 cents at $9.69
A Citigroup analyst said the company's flagship newspaper should be able to get enough people to start paying for online content.
OptionsXpress Holdings Inc., up $2.57 at $17.90
The online brokerage services provider is being bought by discount broker Charles Schwab Corp. for $1 billion.
XenoPort Inc., down 41 cents at $6.26
The biopharmaceutical will stop developing a treatment for severe heartburn after the experimental drug failed a mid-stage clinical trial.