Take a look at some of Monday's morning movers:
Amerigroup - The managed care provider will be bought by rival WellPoint for $92 a share, or $4.9 billion in cash. The deal represents a better than 40 percent premium over Friday's closing price for Amerigroup.
FX Alliance - The provider of foreign-exchange trading platforms agreeing to be acquired by Thomson Reuters for $22 a share in cash. That represents a 40 percent premium over Friday’s closing price of $15.70.
Activision Blizzard - Multiple reports say Vivendi is interested in selling its 60 percent stake in the video game maker, a sale that reportedly could raise as much as $10 billion. Reuters reports that Time Warner and Microsoft could be among possible bidders.
Facebook - The company could see its $1 billion purchase of Instagram approved by the Federal Trade Commission by mid-August, according to the New York Post.
Yahoo - The company's board will meet Wednesday to discuss the status of the company’s CEO search, according to CNBC’s Kayla Tausche. Interim CEO Ross Levinsohn is still considered the leading candidate for the permanent job, but it’s unclear if the board will make a final decision at that Wednesday meeting.
Sirius XM Radio - The satellite radio provider has raised its full-year subscriber and revenue guidance, now expecting 1.6 million net new subscribers and revenue approaching $3.4 billion.
Youku - JPMorgan Chase has begun coverage of the China-based online video company with a rating of "overweight."
Visa, MasterCard - UBS has downgraded the stock of both credit-card companies to "sell" from "neutral."
Wells Fargo - Jefferies has started coverage of Wells Fargo with a "buy" rating and a $39 price target, saying the bank has above-average growth potential.
—By CNBC’s Peter Schacknow
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