Check out which companies are making headlines after the bell Wednesday:
Visa - The credit-card provider earned $1.56, ex-items, on revenue of $2.57 billion, topping estimates for $1.45 a share on revenue of $2.52 billion. Shares rallied in extended-hours trading. (Click here for after-hours quote.)
Zynga - The social-network gaming company posted earnings of a penny on revenue of $332, disappointing expectations for 5 cents a share on revenue of $344 million. The company also sharply lowered its outlook for 2012 to reflect game launch delays, sending shares plunging to all-time lows in extended-hours trading. Facebook shares also fell following the announcement. (Click here for after-hours quotes.)
Whole Foods - The upscale grocery store chain posted earnings of 63 cents a share, edging past expectations for 61 cents a share. Meanwhile, revenue was in line with estimates at $2.73 billion. In addition, the company raised its full-year earnings outlook, sending shares sharply higher in extended-hours trading. (Click here for after-hours quote.)
Akamai - The tech company posted earnings of 43 cents a share, excluding one-time items, on revenue of $331 million, topping estimates for 37 cents a share on revenue of $326 million. Shares surged in extended-hours trading. (Click here for after-hours quote.)
Western Digital - The hard-disk manufacturer posted earnings of $3.35 a share, excluding one-time items, on revenue of $4.75 billion, easily topping estimates for $2.47 a share on revenue of $4.25 billion. Shares jumped in extended-hours trading. (Click here for after-hours quote.)
Crocs - The shoe manufacturer posted earnings of 68 cents a share on revenue of $331 million. Analysts expected the company to post earnings of 63 cents a share on revenue of $340 million. The company also boosted its current quarter and full-year earnings guidance, sending shares soaring in extended-hours trading. (Click here for after-hours quote.)
Skechers - The shoe retailer posted a loss of 4 cents a share on revenue of $384 million. Analysts had expected the company to post a loss of 12 cents a share on revenue of $373 million. Shares vaulted higher in extended-hours trading. (Click here for after-hours quote.)
Las Vegas Sands - The integrated resort company posted earnings of 44 cents a share, ex-items, on revenue of $2.58 billion, missing expectations for 60 cents a share on revenue of $2.78 billion. (Click here for after-hours quote.)
Shutterfly - The photo-publishing site posted a loss of 27 cents a share on revenue of $99 million. Analysts expected the company to report a loss of 35 cents a share on sales of $91 million. In addition, the company handed in a full-year 2012 guidance that was on the higher end of the estimated range. Shares advanced in extended-hours trading. (Click here for after-hours quote.)
Varian Medical - The medical-device maker posted earnings of 96 cents a share, beating estimates for 93 cents a share. But the company posted sales of $705 million, lower than the projected $712 million. Shares edged lower in extended-hours trading. (Click here for after-hours quote.)
MetLife - The company named John Hele as its new CFO. (Click here for after-hours quote.)
Marathon Petroleum - The oil refinery company increased its quarterly dividend by 40 percent to 35 cents a share from 25 cents a share. (Click here for after-hours quote.)
—By CNBC’s JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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