After-Hours Buzz: GOOG, MSFT, CMG & More

Check out which companies are making headlines after the bell Thursday:

Google - The search-engine giant reported its earnings much earlier than expected, and the results widely missed analysts' expectations.

CEO Larry Page apologized on the company's earnings conference call and talked about the firm's "strong quarter."

"Earlier this morning R.R. Donnelley, the financial printer, informed us that they had filed our draft 8K earnings statement without authorization," said Google in a statement. Meanwhile, R.R. Donnelley said the early Google filing was human error, according to the Wall Street Journal.

Shares were halted for nearly 2-1/2 hours in regular trading following the release and were down as much as 10 percent. Shares edged higher in extended-hours trading. (Click here for after-hours quote.)

(Read More: Stocks End Lower, Led by Techs; Google Skids)

Microsoft - The tech giant reported earnings of 53 cents a share on sales of $16.01 billion, below estimates for 56 cents a share on revenue of $16.42 billion. Shares slid in extended-hours trading. (Click here for after-hours quote.)

Chipotle Mexican Grill - The fast-casual restaurant chain posted earnings of $2.27 a share, on revenue of $701 million, missing estimates for $2.30 a share on sales of $702 million. In addition, the company increased its stock buyback by $100 million. Shares plunged in extended-hours trading. (Click here for after-hours quote.)

AMD - he chipmaker posted a loss of 20 cents a share on revenue of $1.27 billion, disappointing Wall Street analysts who had expected the company to post a loss of 15 cents a share on sales of $1.28 billion. In addition, the company also unveiled a restructuring plan to improve competitiveness that involves laying off 15 percent of its staff. Shares dipped in extended-hours trading. (Click here for after-hours quote.)

Capital One - he bank posted earnings of $2.01 a share on revenue of $5.78 billion, beating estimates for $1.66 a share on sales of $5.64 billion. Shares gained in extended-hours trading. (Click here for after-hours quote.)

SanDisk - The semiconductor company posted earnings of 48 cents a share, excluding one-time items, on sales of $1.27 billion, easily topping estimates for 33 cents a share on revenue of $1.22 billion. Shares jumped after being temporarily halted in extended-hours trading. (Click here for after-hours quote.)

Riverbed Technology - The tech company posted earnings of 28 cents a share on revenue of $219 million, topping estimates for 25 cents a share on sales of $217 million. Shares jumped in extended-hours trading. (Click here for after-hours quote.)

Marvell - The chipmaker announced its CFO Clyde Hosein is resigning to pursue other opportunities. Vice president and corporate controller Brad Feller will serve as interim CFO. In addition, the company lowered its revenue projection for the third quarter to between $765 million and $785 million. Shares declined in extended-hours trading. (Click here for after-hours quote.)

Cummins - The heavy equipment company was upgraded to "overweight" from "neutral" at Piper Jaffray. Shares edged higher in extended-hours trading. (Click here for after-hours quote.)

(Read More: CNBC's Market Insider Blog)

—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)

Questions? Comments? Email us at [e-mail]