In NASDAQ trading today, Apple Inc. (AAPL) shares gained $6.83, or 1.25%, on average volume to set a new all-time closing high of $552.00.

Apple’s previous all-time high was $545.18, set last Friday.

Apple’s all-time intraday high is also $552.00, also set today. Apple’s 52-week low stands at $310.50.

Apple’s market value currently stands at $514.02 billion.

The top five U.S. publicly-traded companies, based on market value:
1. Apple (AAPL) – $508.31B
2. Exxon Mobil (XOM) – $403.31B
3. Microsoft (MSFT) – $268.84B
4. IBM (IBM) – $232.89B
5. Wal-Mart (WMT) – $208.04B

Selected companies’ current market values:
• GE (GE) – $202.68B
• Google (GOOG) – $196.41B
• Intel (INTC) – $134.72B
• Cisco (CSCO) – $106.78B
• Amazon (AMZN) – $83.39B
• Disney (DIS) – $77.82B
• Hewlett-Packard (HPQ) – $47.60B
• Dell (DELL) – $30.12B
• Sony (SNE) – $20.93B
• Nokia (NOK) – $18.59B
• Yahoo! (YHOO) – $17.62B
• Adobe (ADBE) – $16.57B
• Motorola Mobility (MMI) – $11.98B
• Research In Motion (RIMM) – $6.76B
• Sirius XM (SIRI) – $8.67B
• Advanced Micro Devices (AMD) – $5.23B
• RealNetworks (RNWK) – $0.35B

AAPL quote via NASDAQ here.

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