NEW YORK (TheStreet) -- Women's apparel retailer Ann Taylor (ANN) was surging 9.1% to $26.42 in premarket trading Friday after reporting fourth-quarter earnings of 19 cents, beating estimates by 2 cents.

Emeryville, Calif.-based restaurant operator

Jamba Juice

(JMBA) - Get Report

was falling 9.1% to $2.10after posting a wider-than-expected loss.

>> Zumiez, Jamba Juice: After-Hours Trading

Shares of



were tumbling 7.9% to $22.69 after the mall-based seller of casual apparel said it expects inflationary pressures to hit its bottom line in fiscal 2011.

>> Aeropostale Sees Inflation Hitting Profits



was tumbling 3.5% to $5.55 after CEO Bill Morrow resigned from his role for personal reasons, according to the 4G specialist, which appointed chairman John Stanton as his interim replacement on Thursday.

>> Clearwire CEO Steps Down

Oil and gas company

Valero Energy

(VLO) - Get Report

was popping 3.2% to $27.15 in premarket trading Friday after peer


(CVX) - Get Report

agreed to sell the company its Pembroke Refinery and other downstream assets in the U.K. and Ireland. Chevron was falling 1.2% to $97.90.

>> Chevron to Sell U.K. Refinery to Valero

Reinsurers and insurers were experiencing pressure after the massive earthquake hit Japan.


(AFL) - Get Report

was falling 2.9% to $54.10 and

Berkshire Hathaway

(BRK.B) - Get Report

was falling 1.1% to $84.02. Reinsurers such as

Swiss Re

( SWCEY) and



were experiencing pressure overseas as the devastating impact of the event unfolded.

>> Insurance Shares Tremble After Japan Quake

U.S. airline carriers were moving higher in premarket trading after a massive earthquake devastated Japan and resulted in the cancelation of many Asian flights.



was rising 2% to $6.66,

Delta Air Lines

(DAL) - Get Report

was rising 1.4% to $11.34.

>>Search for Highest Dividends by Rate or Yield

-- Written by Andrea Tse in New York.

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>>U.S. Futures Fall After Japan Quake, Tsunami

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