Apple Online StoreShares of Apple Inc. today rose $3.455, or 1.49%, on lighter than average volume of 18,652,558 shares to set a new all-time closing high of $235.845.

Apple’s previous closing high was $232.39 set yesterday March 29, 2010. Apple’s all-time high (intraday) stands at $237.48, set during trading today. Apple’s 52-week low is $102.61.

At market close, Apple’s market value stands at $213.86 billion since financial sites all use the latest published share count for Apple: 906.8 million shares outstanding as of January 15. However, Apple’s actual diluted share count, as per its latest 10-Q, was 919.783 million shares, which means that the company actually has a market cap of $216.93 billion. For the lists below, we’ll use what the financial sites use.

Apple went public on December 12, 1980 and closed with a market cap of $1.431 billion. Apple’s all-time low market value was $630.9 million on July 8, 1982.

The top five U.S. publicly-traded companies:
1. Exxon Mobil (XOM) – $316.56B
2. Microsoft (MSFT) – $261.10B
3. Apple (AAPL) – $213.86B
4. Wal-Mart (WMT) – $212.74B
5. Berkshire Hathaway (BRKA) – $201.98B

Selected companies’ current market values:
• Google (GOOG) – $180.20B
• IBM (IBM) – $167.27B
• Cisco (CSCO) – $152.5B
• Hewlett-Packard (HPQ) – $124.90B
• Intel (INTC) – $123.46B
• Disney (DIS) – $68.08B
• Amazon (AMZN) – $60.72B
• Nokia (NOK) – $57.14B
• Research In Motion (RIMM) – $41.62B
• Sony (SNE) – $38.98B
• Dell (DELL) – $29.31B
• Yahoo! (YHOO) – $23.26B
• Adobe (ADBE) – $8.70B
• Motorola (MOT) – $16.65B
• RealNetworks (RNWK) – $640.56M
• Beleaguered Palm (PALM) – $634.32M

AAPL quote via NASDAQ here.

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