Check out which companies are making headlines after the bell Monday:
Demand Media - The Internet company announced that its CEO and chairman Richard Rosenblatt is retiring. The board has appointed Shawn Colo as interim president and CEO. Shares edged lower in extended-hours trading.
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Qualcomm - The semiconductor company was initiated with a "buy" rating and a price target of $80 a share at Stifel Nicolaus. Shares ticked higher in extended-hours trading.
Teradata - The tech company lowered its 2013 earnings guidance and increased its share repurchase plan by $300 million. Shares tumbled sharply in extended-hours trading.
Cameron International - The oil services and equipment company was initiated with an "outperform" rating and a price target of $75 a share at RW Baird. Shares edged higher in extended-hours trading.
Wintrust Financial - The financial company posted earnings of 71 cents a share on sales of $196 million, edging past expectations for 64 cents a share on revenue of $195 million. Shares were unchanged in extended-hours trading.
Newfield Exploration - The oil and company said its CFO Terry Rathert will retire and will be succeeded by Lawrence Massaro. Shares were unchanged in extended-hours trading.
—By CNBC's JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
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