Check out which companies are making headlines before the bell:
Jos. A. Bank—Rival clothing retailer Men's Wearhouse launched a tender offer at $57.50 per share. Each company has offered to acquire the other in recent months, and each has rejected the other's bid.
Boeing–The aerospace giant's machinists have approved an 8-year labor contract, after rejecting a deal in November. The agreement assures that production of the 777-X jet will take place in Washington state.
Twitter–Morgan Stanley cut its rating on Twitter shares to "underweight" from "equalweight", citing growing competition for online ad revenue.
T-Mobile US–The wireless carrier is buying 700 wireless spectrum licenses from Verizon for $2.635 billion in cash, and the transfer of certain other spectrum licenses with an estimated value of $950 million.
JPMorgan Chase–JPM is reportedly near a $2 billion settlement with federal authorities, according to the New York Times. The case revolves around allegations that the bank ignored warning signs that Bernard Madoff was engaging in a Ponzi scheme. The paper said the settlement would also involve a deferred prosecution agreement.
Toyota–The car maker sold more than 900,000 vehicles in China in 2013, according to newly released figures. That beats the automaker's annual sales target, despite uncertainty related to a territorial dispute between Japan and China over land located in the East China Sea.
Google– UBS raised its price target on Google stock to $1,300 from $1,100 to reflect higher revenues from advertisements, the Google Play store, and other areas.
PetSmart–Deutsche Bank downgraded the pet retailer's stock to "sell" from "hold", based on slowing traffic trends.
SolarCity–Goldman Sachs added the solar equipment maker's stock to its "conviction buy" list, with a price target of $80 per share.
Yahoo–Yahoo said some ads on its European web sites last week contained malware, but that it promptly removed the ads. Users of Mac computers and mobile devices were not affected by the problem.
Nvidia–The chip maker unveiled new details of an improved graphics chip for mobile devices and cars, ahead of this week's Consumer Electronics Show in Las Vegas.
Amazon.com —Chief executive Jeff Bezos was airlifted off a cruise ship on New Year's Day after suffering from kidney stones. Amazon provided CNBC a statement from Bezos which said "Galapagos: five stars. Kidney stones: zero stars".
Apple–Apple acquired photo app company SnappyLabs for an undisclosed amount.
Zynga–Zynga is testing bitcoin for in-game payments. It will accept the virtual currency for a handful of its online games.
Hologic–Morgan Stanley downgraded the medical equipment maker's stock to "equalweight" from "overweight".
MetLife–UBS downgraded the insurance company's stock to "neutral" from "buy".
—By CNBC's Peter Schacknow
Questions? Comments? Email us at email@example.com