Check out which companies are making headlines after the bell Thursday:
Advanced Micro Devices - The chip maker reported second-quarter revenue in line with estimates but came in just short of expectations on its bottom line, while projecting revenue growth for the third quarter below expectations. Shares slid in after-hours trading.
Google - The search engine posted second-quarter earnings per share of $6.08, excluding items, on $15.96 billion in revenue. Estimates called for EPS of $6.24 on $15.62 billion in sales. Shares rallied in extended trading.
IBM - The technology giant reported second-quarter earnings, excluding items, of $4.32 a share on $24.36 billion in revenue, versus expectations of EPS of $4.29 on $24.13 billion in sales. Shares dipped in after-hours trading.
Schlumberger - The oilfield services company reported a nearly 24 percent drop in quarterly profit, with its shares dropping in after-hours trading.
Seagate Technology - The provider of storage technology fell after reporting fourth-quarter results that matched estimates.
Skyworks Solutions - The supplier of analog semiconductors reported third-quarter earnings that topped Wall Street's expectations, with shares rising in after-hours trading.
Zhone Technologies - The seller of communications network equipment fell in after-hours trading after reporting second-quarter earnings.
—By CNBC's Kate Gibson.