Check out which companies are making headlines after the bell Monday:
Yahoo - The Internet search company posted earnings of 35 cents a share, excluding one-time items, on revenue of $1.09 billion, easily topping expectations for 25 cents a share on sales of $1.08 billion. The company offered no guidance. Shares gained in extended-hours trading.
In her first earnings conference as CEO, Marissa Mayer said she is "very impressed" with the company's progress in the third quarter and added that Yahoo is working closely with Microsoft to improve search. She also said mobile is the firm's top priority, adding that Yahoo will have to be predominantly a mobile company at some point in the near future. (Click here for after-hours quote)
(Read More: Stocks Recover to End Higher; Apple Jumps 4%)
Texas Instruments - The chipmaker reported sales of $3.39 billion, topping estimates for $3.34 billion. But the company posted current-quarter revenue guidance that was below estimates. (Click here for after-hours quote)
Apple - The iPhone maker continued to edge higher in extended-hours trading after seeing its best day in nearly five months during the regular session. (Click here for after-hours quote)
Western Digital - he computer hard disk drive manufacturer posted earnings of $2.36 a share on revenue of $4.04 billion, topping estimates for $2.29 a share on revenue of $3.97 billion. Meanwhile, the company handed in current-quarter revenue guidance that disappointed, sending shares sharply lower in extended-hours trading. Rival Seagate Tech also traded lower following the news. (Click here for after-hours quote)
Accenture - The IT consulting and services company announced that CEO Pierre Nanterme would also become Chairman, effective February 2013. Shares were largely unchanged in extended-hours trading. (Click here for after-hours quote.)
Zions Bancorp - he financial company posted earnings of 37 cents a share, excluding one-time items, on revenue of $563 million, beating expectations for 30 cents a share on sales of $561 million. (Click here for after-hours quote)
Swift Transportation - The trucking company missed earnings and revenue expectations, sending shares lower in extended-hours trading. (Click here for after-hours quote)
Veeco - The tech company posted earnings that edged past expectations, but revenue fell short of estimates. In addition, the firm handed in current-quarter guidance that badly missed expectations, sending shares sharply lower in extended-hours trading. (Click here for after-hours quote)
(Read More: CNBC's Market Insider Blog)
—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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