(Premarket story updated with Dell, Compellent news and share price changes)
NEW YORK ( TheStreet) -- Dell ( DELL) says it has a deal for Compellent ( CML) after it bumped up its bid by 25 cents per share for the Eden Prairie, Minn.-based data storage outfit.

Dell stock has inched down 0.9% to $13.77 in premarket trading, while Compellent ( CML) has slipped 2.4% to $28.01.

Thermo Fisher Scientific ( TMO) offered to buy Dionex ( DNEX) for $118.50 a share in cash, or about $2.1 billion.

The offer represents a 21% premium to Dionex's closing stock price on Dec. 10, the last trading day prior to the offer announcement and a 32% premium to Dionex's average closing stock price over the last 60 trading days.

Shares of Thermo Fisher Scientific rose 2.8% to $54.50 in early trading while Dionex surged 19.9% to $117.75.

Shares of Israeli software and programming services provider Ness Technologies ( NSTC ) soared by 19.6% to $5.50 in premarket trading as Bloomberg reports that four investment funds are bidding to buy the company for around $300 million.

General Electric ( GE) offered to buy the U.K.'s Wellstream Holdings, a maker of pipeline products for oil and gas transportation, for 800 million pounds ($1.3 billion).

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