Take a look at some of Tuesday's midday movers:
Research In Motion fell after rising more than 50 percent the past month on hopes that the company's next line of smartphones will be a success. But some analysts, including Morgan Stanley, say RIM has dug itself too deep a hole to effectively compete with Apple and Samsung.
Las Vegas Sands gained ground after the company approved a special dividend of $2.75 a share.
McMoran Exploration sank for the second-consecutive day after the company said on Monday that development of a key well was taking longer than hoped.
Zion's Bancorp lost ground on the prospect of rise in capital gains taxes. A group of Texas energy companies sold themselves ahead of an expected tax deal to avoid the "fiscal cliff" which resulted in a pay down of loan balances.
Disk Drive makers Seagate and Western Digital lost ground due, in part, to the continued slowdown in the PC market. Dell and Hewlett-Packard were also lower. In addition, Seagate's CFO sold 57,000 company shares.
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—By CNBC's Rich Fisherman.
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