NEW YORK (AP) - Apple's stock is dropping in Tuesday afternoon trading, hurt by a lackluster first-quarter performance and a cautious second-quarter revenue outlook.
The shares fell more than 7 percent, hovering near $510 in afternoon trading. The iPhone maker initially lost nearly $40 billion in market value.
On Monday Apple Inc. said it sold more iPhones and iPads in the first quarter than in any prior quarter, but investors were expecting even bigger things from the Cupertino, Calif., company.
Apple also announced a second-quarter revenue forecast of $43 billion, below Wall Street's $46.13 billion estimate.
The company's stock has started losing some ground in the past year due to concerns about slowing growth and increasing competition.
On Tuesday Carl Icahn added to his Apple stake, tweeting that he'd purchased $500 million more shares of the company.
The billionaire investor has spent more than $1 billion on Apple stock during the past weeks to raise his total holdings in the company to roughly $4 billion. Icahn started buying Apple's stock five months ago when it was still trading below $450.
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