Expedia - The stock was upgraded to "buy" from "neutral" at Lazard Capital Markets, citing better than expected benefits from a strategic marketing agreement with rival Travelocity, among other factors.
Microsoft - The company is putting its Xbox Music streaming service up for free on the internet, in hopes of drawing more customers into its ecosystem.
Verizon - The company is reportedly planning what may be the biggest debt sale in history, as it sets financing for its $130 billion acquisition of Vodafone's 45 percent stake in Verizon Wireless.
Jacobs Engineering - Jacobs is buying Sinclair Knight Merz for $1.2 billion. Sinclair is an Australian consulting and engineering firm.
Smithfield Foods - Smithfield has gotten approval from the U.S. Committee on Foreign Investment for itsdeal to be acquired by China's Shuanghui for $.7 billion.
Vodafone - Vodafone may not get the required shareholder approval for its deal to buy German cable giant Kabel Deutschland, according to the Financial Times.
Amazon.com - Amazon is denying reports that it would launch a free smartphone this year. Amazon said if it did launch such a product in the future, it would not be free to consumers.
BlackBerry - BlackBerry may see a bid from 10 percent shareholder Fairfax Financial Holdings, according to a report in London's Sunday Times. The paper said Fairfax's Prem Watsa has gotten billions in backing from Canada's biggest pension funds in preparation for a bid.
Biogen Idec, Isis Pharmaceuticals - The two drug companies have signed a cooperation agreement to develop new treatments for neurological diseases.
Crown Castle - The owner and operator of wireless communication towers has begun the process of converting itself to a real estate investment trust. It expects to assume REIT status as of January 1, 2014.
Lululemon - Citi began coverage on the athletic apparel retailer with a "buy" rating, saying it's generally bullish on specialized apparel firms because of better prospects for sales and profit margins.
Wal-mart - Goldman Sachs resumed coverage on the retail giant with a "buy" rating, saying has a "modest but durable growth profile" that is currently undervalued by investors.
—By CNBC's Peter Schacknow
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