SHANGHAI, July 27 -- SHARES of Apple Inc rose as much as 11 percent in extended trading after sales and profit topped analysts' estimates and early demand for the new iPhone renewed confidence in Chief Executive Officer Steve Jobs's plan to woo mobile-phone buyers.

Apple shares advanced by as much as US$14.72 to US$151.98 yesterday after the official close of US exchanges, Bloomberg News reported. They had risen US$2.37 to US$137.26 in regular Nasdaq Stock Market trading. The stock has climbed 62 percent this year.

New laptop models with faster chips fueled a 33 percent jump in Macintosh computer shipments. Apple also sold 270,000 iPhones after the device went on sale June 29, 30 hours before the quarter ended, easing concerns that it might be a disappointment. Sales of Apple's iPod media player topped estimates as well.

"The iPod and iPhone all bring people into the Apple ownership experience and make them curious about the Mac," said Stephen Coleman, chief investment officer at Daedelus Capital, St Louis, which began buying Apple's shares in February 2004. "As long as you see Mac sales rising, things are good."

Net income increased to US$818 million, or 92 cents a share, from US$472 million, or 54 cents, a year earlier, Apple said yesterday. Sales rose 24 percent to US$5.41 billion in the quarter, topping analysts' estimates of US$5.32 billion.

Profit this quarter will be 65 cents a share on sales of US$5.7 billion, Apple said. Analysts had estimated profit of 84 cents and revenue of US$6.18 billion, according to a Bloomberg survey. Apple typically tops its forecast.

"I'm not overly concerned that we're going to see some drop-off here in the September quarter which should be strong for the back-to-school season," said Matthew Kather, an analyst at WR Hambrecht in New York. He rates the shares "buy."

Computers accounted for almost half of Apple's earnings last quarter with the MacBook and MacBook Pro notebooks making up almost two-thirds of the sales. Even so, investor attention has been focused on the iPhone.

Jobs, 52, announced the device in January, promising to turn the handset into Apple's third main business, alongside the Mac and iPod. Once focused only on personal computers, Apple released the iPod media player in 2001, a product that has sold almost 110 million units.