After-hours buzz: Whole Foods, Yelp, Weight Watchers & more

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

Traders work on the floor of the New York Stock Exchange in New York.
Jin Lee | Bloomberg | Getty Images
Traders work on the floor of the New York Stock Exchange in New York.

Whole Foods - The retailer handed in fiscal third-quarter earnings that beat analysts' expectations, but shares plunged as revenue and comparable-store sales trailed Wall Street estimates.

Yelp - Shares of the consumer review website rose after it reported second-quarter earnings of 4 cents per share—its first quarterly profit as a public company—on revenue of $89 million, topping expectations as the number of unique monthly visitors rose significantly.

Weight Watchers - The stock soared after the maker of dieting products reported better-than-expected quarterly earnings and revenue. The company also raised its full-year fiscal 2014 earnings guidance.

Akamai Technologies - The cloud computing firm beat earnings expectations by 3 cents and reported quarterly revenue of $476 million, topping estimates of $473 million. But shares dropped in after-hours trading.

Kraft Foods - Shares were modestly lower after the food producer missed estimates on the top and bottom line as the company battles with rising input costs.

Vistaprint - The stock rallied more than 17 percent after the online printing company beat analysts estimates as fiscal fourth-quarter revenue climbed 21 percent year over year.

—By CNBC's Karma Allen

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