• On Sunday AT&T (NYSE:T) announced its plans to buy T-Mobile USA from Deutsche Telekom AG in a cash-and-stock deal worth $39 billion. However, the deal could face regulatory issues since it would reduce the number of wireless carriers with national coverage to four

• Charles Schwab Corp. (NASDAQ:SCHW) and optionsXpress Holdings (NASDAQ:OXPS) have reportedly signed a definitive agreement under which Schwab will acquire the company

• Truck accessories maker Core Molding Technologies Inc.’s (AMEX:CMT) shares gained 20% after the company reported higher fourth quarter sales

• Curis Inc.’s (NASDAQ:CRIS) shares added 10% after the drug developer and its partner Roche Group announced positive results from a midstage study of their skin-cancer treatment

• A Citigroup (NYSE:C) analyst noted that FormFactor Inc (NASDAQ:FORM), a provider of test equipment to the semiconductor industry, had a large order

• Fortress Investment Group LLC (NYSE:FIG) shares rose 10% after peer Apollo Global Management LLC set the terms for its delayed initial public offering

• The Federal Communications Commission gave Globalstar Inc (NASDAQ:GSAT) permission to operate second-generation satellites in the U.S

• Dawson Geophysical Co. (NASDAQ:DWSN) said it would acquire TGC Industries Inc (NASDAQ:TGE), a provider of seismic data to energy producers, for about $157 million in stock

• Raymond James & Associates downgraded wireless infrastructure operator Crown Castle International Corp (NYSE:CCI) to “Outperform” from “Strong Buy” rating

 
CITIGROUP INC (C): Free Stock Analysis Report
 
CROWN CASTLE (CCI): Free Stock Analysis Report
 
CURIS INC (CRIS): Free Stock Analysis Report
 
DAWSON GEOPHYS (DWSN): Free Stock Analysis Report
 
FORTRESS INVEST (FIG): Free Stock Analysis Report
 
FORMFACTOR INC (FORM): Free Stock Analysis Report
 
GLOBALSTAR INC (GSAT): Free Stock Analysis Report
 
OPTIONSXPRESS (OXPS): Free Stock Analysis Report
 
SCHWAB(CHAS) (SCHW): Free Stock Analysis Report
 
AT&T INC (T): Free Stock Analysis Report
 
TGC INDUSTRIES (TGE): Free Stock Analysis Report
 
Zacks Investment Research