Digital Daily notes that Apple's market capitalization at $159.37 billion is now worth more than Google's which is at $157.56 billion. Apple's market cap first exceeded $100 billion in May of 2007. Apple was included into the S&P 100 index at that time. For interest, MacDailyNews compiled a list of the market values of other notable companies:

• Microsoft (MSFT) - $255,648,204,000
• IBM (IBM) - $169,964,678,000
• Apple (AAPL) - $157,012,662,240
• Google (GOOG) - $156,392,862,560
• Cisco (CSCO) - $142,125,692,160
• Intel (INTC) - $135,658,860,000
• Hewlett-Packard (HPQ) - $111,866,423,760
• Nokia (NOK) - $97,746,699,520
• Research In Motion (RIMM) - $71,143,935,000
• Disney (DIS) - $59,257,501,500
• Dell (DELL) - $50,483,256,060

via macrumors