Apple StoreApple Inc. shares today rose $3.18, or 1.08%, on average volume of 19,332,366 shares to set a new all-time closing high of $298.54.

Apple’s previous all-time closing high was $295.36 set yesterday. Apple’s all-time high (intraday) stands at $299.50, set today. Apple’s 52-week low is $185.55.

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At market close, Apple’s market value stands at $272.73 billion.

The top five U.S. publicly-traded companies, based on full market values, are:
1. Exxon Mobil (XOM) – $329.44B
2. Apple (AAPL) – $272.73B
3. Microsoft (MSFT) – $214.87B
4. Berkshire-Hathaway (BRKA) – 206.30B
4. Wal-Mart (WMT) – $196.08B

Selected companies’ current market values:
• IBM (IBM) – $176.39B
• Google (GOOG) – $172.54B
• Cisco (CSCO) – $128.66B
• Intel (INTC) – $110.08B
• Hewlett-Packard (HPQ) – $93.77B
• Amazon (AMZN) – $70.08B
• Disney (DIS) – $65.95B
• Nokia (NOK) – $40.43B
• Sony (SNE) – $32.00B
• Research In Motion (RIMM) – $26.60B
• Dell (DELL) – $27.07B
• Motorola (MOT) – $18.97B
• Yahoo! (YHOO) – $19.46B
• Adobe (ADBE) – $14.35B
• Advanced Micro Devices (AMD) – $4.92B
• RealNetworks (RNWK) – $440.67M

AAPL quote via NASDAQ here.