Check out which companies are making headlines after the bell Tuesday:
Hewlett-Packard - The technology giant posted fourth-quarter revenue of $29.13 billion, topping analysts' estimates of $27.91 billion. Earnings per share came in at $1.01, a penny above Wall Street expectations. Shares jumped in extended-hours trading.
TiVo - The maker of video recorders reported a 43-percent rise in revenue, with shares edging higher in extended-hours trading.
Analog Devices - The chip manufacturer's shares slid in after-hours trading after it tallied quarterly revenue that missed estimates but beat on the bottom line. The company also offered quarterly guidance below expectations.
Infoblox - The provider of enterprise-networking technology reported fiscal first-quarter revenue and earnings that topped expectations, but projected full-year results beneath estimates. Shares dropped sharply in after-hours trading.
—By CNBC's Kate Gibson
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