Check out which companies are making headlines after the bell Wednesday:
Cisco Systems - The networking-equipment maker posted earnings of 53 cents a share, on revenue of $12.09 billion, compared to expectations of 51 cents a share on revenue of $12.34 billion. It also set a $15 billion buyback plan. Its shares fell nearly 8 percent in after-hours trading after the company forecast second-quarter guidance of 45 cents to 47 cents versus estimates of 52 cents, and projected quarterly revenue would decline 8 percent to 10 percent, versus expectations of a rise of 4 percent.
NetApp - The provider of networked storage solutions tallied earnings of 48 cents a share, on revenue of $1.55 billion, compared to estimates for 63 cents a share on revenue of $1.6 billion.
SeaWorld Entertainment - The theme park and entertainment company posted earnings of $1.11 a share, on revenue of $538.4 million, missing estimates of $1.21 a share on revenue of $544 million.
Crocs - The maker of plastic clogs held buyout talks that probably would not conclude in a sale, with the company considering other options, according to Bloomberg News. Shares were flat after-hours.
ExOne - The 3-D printer company reported a third-quarter loss of 2 cents a share on revenue of $11.6 million, missing estimates calling for a gain of 2 cents a share on revenue of $11.8 million. Its share were down more than 5 percent in extended-hours trading.
Aflac - Shares of the insurance company rose after it announced a $40 million share repurchase program.
BorgWarner - The automotive supplier announced a 2-for-1 stock split.
Tesla Motors - Its shares edged up hour in after-hours trading after the company said three workers were hurt after a casting press failed at a plant in Fremont, Calif.
—By CNBC's Kate Gibson.
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