Check out which companies are making headlines after the bell Tuesday:
Apple - The provider of consumer technology edged higher in after-hours trading after introducing a smartwatch and other products during the regular trading session.
Krispy Kreme Doughnuts - The food and beverage retailer slid in after-hours trading after reporting disappointing quarterly results.
Oxford Industries - The apparel company gained in after-hours trading after posting second-quarter results.
Palo Alto Networks - The provider of network security gained in after-hours trading after posting a fourth-quarter earnings number that matched estimates and better-than-expected sales.
Science Applications International - The provider of technology and engineering services jumped in after-hours trading after tallying quarterly results.
—By CNBC's Kate Gibson
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