NEW YORK (TheStreet) -- Genetic diagnostics company Celera ( CRA) was popping 27.1% to $7.97 in premarket trading Friday after receiving an offer from diagnostics testing company Quest Diagnostics (DGX - Get Report) for $8 a share.

Shares of Quest were flat at $54.25 in premarket trading.

Sports apparel company Nike ( NKE - Get Report)was falling 7.6% to $78.90 after reporting third-quarter earnings that fell short of expectations.

Automaker Honda ( HMC - Get Report) was falling 2.3% to $37.97 in premarket trading Friday after it said it will be halting production in Japan until March 23, three days longer than expected, after a massive earthquake hit the country last week.

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Oil drilling equipment company Weatherford International ( WFT) was rising 1.4% to $20.65 after it said that it won a design and construction contract with Marine Well Containment.

Automaker General Motors ( GM - Get Report) was rising 1.2% to $31.82 after Bloomberg reported that the company's treasurer and soon-to-be chief financial officer, Dan Ammann, is thinking of ways to expand into dealer-inventory financing.

Natural gas producer EnCana ( ECA ) was up 0.4% to $33.62 after announcing that it will acquire a 30% interest in the Kitimat liquefied natural gas export terminal that is in development and located on the west coast of central British Columbia. EnCana joins existing owners Apache ( APA - Get Report) and EOG ( EOG - Get Report) in the development.

Shares of tobacco companies Altria ( MO - Get Report) were up 0.3% to $24.44, while peer Reynolds American ( RAI) rose 0.3% to $32.95 as the U.S. Food and Drug Administration, according to The Wall Street Journal, indicated that banning menthol tobacco products could be challenging.

Food company General Mills ( GIS - Get Report) said Friday it's in exclusive talks to buy a 50% stake in Yoplait, the French yogurt maker.
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-- Written by Andrea Tse in New York.

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