NEW YORK (TheStreet) -- Onshore seismic data services provider TGC Industries (TGE) was surging 14.1% to $7.79 in premarket trading Monday as it said it will be acquired by peer Dawson Geophysical ( DWSN) in a transaction valued at about $157 million, representing about $8 a TGC share. TGC shareholders will receive 0.188 a share of Dawson stock for every share of TGC stock. The combined company will retain the Dawson name and trading symbol.
Telecom giant AT&T ( T) was rising 4.9% to $29.32 after it said it will purchase T-Mobile USA from Germany's Deutsche Telekom ( DT ) in a deal valued at about $39 billion.
Shares of Jeweler and specialty retailer Tiffany ( TIF) were popping 5.4% to $60.40 after reporting fourth-quarter net earnings from continuing operations of $1.41 a share and $1.44 a share excluding items, compared with the consensus estimate of $1.39 a share.
Electronics company Sony ( SNE) was rising 3.4% to $32.60 as it began restarting production in Japan after the country was hit by a massive earthquake.
Financial services company Citigroup ( C) was rising 3.2% to $4.65 in premarket trading Monday as it announced a 1-for-10 reverse common stock split and said it plans to reinstate a quarterly dividend of 1 cents a share in the second quarter.
Oil and natural gas exploration and production company Anadarko Petroleum ( APC ) was rising 2.4% to $79.10 as Korea National Oil bought about one-third of the company's resource-rich Maverick Basin assets stake for about $1.55 billion.
Goldman Sachs ( GS) was rising 1.2% to $161.85 after Bloomberg reported that conglomerate holding company Berkshire Hathaway ( BRK.B) raked in about $3.7 billion from its $5 billion investment in the financial services company. >>Search for Highest Dividends by Rate or Yield
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