기준 : 2012년 9월 10일 통화 : USD 자료출처 : ychart (http://ycharts.com/rankings/market_cap) Rank Symbol Company Market Cap 1 AAPL Apple 636.25B 2 XOM Exxon Mobil Corporation 420.48B 3 MSFT Microsoft Corporation 260.01B 4 WMT Wal-Mart Stores 249.77B 5 RDS.B Royal Dutch Shell 230.83B 6 GOOG Google 230.21B 7 IBM International Business Machines Corporation 230.12B 8 GE General Electric Company 228.58B 9 CVX Chevron Corporation 224.88B 10 RDSA Royal Dutch Shell 224.57B 11 PTR PetroChina Company 220.55B 12 T AT&T 218.69B 13 BRK.B Berkshire Hathaway 214.55B 14 BRK.A Berkshire Hathaway 214.40B 15 CHL China Mobile 213.53B 16 PG Procter & Gamble 187.75B 17 JNJ Johnson & Johnson 186.42B 18 WFC Wells…