Apple Online StoreApple Inc. shares today rose $5.38, or 1.55%, in NASDAQ trading on average volume of 15,761,493 to set a new all-time closing high of $351.88.

Apple’s previous all-time closing high was $348.48 set on January 14, 2011. Apple’s 52-week low is $190.85.

Apple’s market value currently stands at $324.01 billion.

The top five U.S. publicly-traded companies, based on market value, are:
1. Exxon Mobil (XOM) – $423.22B
2. Apple (AAPL) – $324.01B
3. Microsoft (MSFT) – $236.93B
4. General Electric (GE) – $221.97B
5. Berkshire-Hathaway (BRKA) – $208.36B

Selected companies’ current market values:
• IBM (IBM) – $202.73B
• Wal-Mart (WMT) – $199.72B
• Google (GOOG) – $196.54B
• Cisco (CSCO) – $122.11B
• Intel (INTC) – $120.47B
• Hewlett-Packard (HPQ) – $105.45B
• Amazon (AMZN) – $79.57B
• Disney (DIS) – $77.52B
• Nokia (NOK) – $41.88B
• Sony (SNE) – $35.09B
• Research In Motion (RIMM) – $32.82B
• Dell (DELL) – $27.00B
• Yahoo! (YHOO) – $22.04B
• Adobe (ADBE) – $16.94B
• Motorola Mobility (MMI) – $8.82B
• Advanced Micro Devices (AMD) – $5.97B
• RealNetworks (RNWK) – $529.10M

AAPL quote via NASDAQ here.