Stocks to Watch: SBUX, AMZN & More

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

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Starbucks - Starbucks reported earnings of 40 cents per share, topping expectations for 39 cents a share. But the coffeehouse chain's stock tumbled in extended-hours trading. In addition, the company said it expects commodity costs to add $230 million of cost pressuresin fiscal 2012. (Click here for after-hour quotes.)

Amazon.com - The online retailer posted quarterly results that easily topped estimates, reporting earnings of 28 cents a share on sales of $13.2 billion. Wall Street analysts were expecting the firm to post earnings of 7 cents a share on revenue of $12.9 billion. Shares rallied in after-hours trading. (Click here for after-hour quotes.)

Zynga - The social network game developer reported a profit of 6 cents a share, excluding one-time items, edging past estimatesfor 5 cents a share. The firm posted sales of $321 million, beating expectations for $317 million. The company also handed in a full-year outlook that met analysts' consensus. Shares of the firm gained in extended-hours trading. (Click here for after-hour quotes.)

Coinstar - The kiosk provider posted quarterly results that topped Wall Street estimates, posting earnings of $1.65 a share on revenue of $568 million. Analysts were expecting the firm to report a profit of $1.34 a share on revenue of $563 million. Still, shares slumped in extended-hours trading. (Click here for after-hour quotes.)

Expedia - The online travel website's stock soared in after-hours trading after the firm topped revenue estimates and posted strong earnings of 26 cents a share, excluding one-time items, for the quarter. The company posted revenue of $816.5 million, blowing bast estimates for $791 million. (Click here for after-hour quotes.)

Western Digital - The hard disk drive manufacturer rallied after the firm reported quarterly results that easily beat expectations. The firm posted earnings of $2.52 a share, ex-items, on sales of $3 billion, topping estimates for a profit of $1.59 a share on revenue of $2.46 billion. (Click here for after-hour quotes.)

Verisign - The tech company posted quarterly results that missed Wall Street projections, sending shares lower in extended-hours trading. The firm reported earnings of 42 cents a share, excluding one-time items, on revene of $206 million. Analysts had expected the firm to earn 43 cents a share on sales of $209 million. (Click here for after-hour quotes.)

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