The stock price of U.S. Apple exceeded 500 dollars for the first time on February 13 (local time).
It goes up to 503.83 dollars temporarily, and has attached 502.80 dollars by after-hours trading still now [ this writing ].
As for the stock price of the company, the rate of a rise on stock price for two weeks had become 20% after the good announcement of business results of the 4th quarter (term ended 9? December).
The company is expected to announce "iPad 3" early in March, and this rise on stock price is likely to continue for the time being.
The aggregate market value of Apple is about 88,600 million dollars, and U.S. Forbs says that this is almost the same as U.S. Hewlett-Packard (HP) and the sum total of the aggregate market value of U.S. Dell.

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米Appleの株価が2月13日（現地時間）、初めて500ドルを超えた。一時503.83ドルまで上昇し、本稿執筆現在も時間外取引で502.80ドルを付けている。

同社の株価は、第4四半期（9～12月期）の好調な業績発表後、2週間での株価上昇率が20％になっていた。同社は3月初旬に「iPad 3」を発表するとみられており、この株価上昇はしばらく続きそうだ。

米Forbsによると、Appleの時価総額は約886億ドルで、これは米Hewlett-Packard（HP）と米Dellの時価総額の合計とほぼ同じという。