Microsoft Corp. MSFT, +2.64% surpassed Apple Inc. AAPL, +2.92% as a more valuable company for the first time in more than eight years on Wednesday. By mid-day, Microsoft was at a market capitalization of $846.73 billion versus Apple’s $846.53 billion but tiny fluctuations in share prices had both tech giants trading off back and forth on who was the most valuable U.S. company Wednesday. Apple surpassed Microsoft in market cap back on May 28,2010, when both companies were worth about $226 billion, and Apple has commanded a larger market cap ever since, according to FactSet. At last check, Microsoft was up 2.8% at $110.10 and Apple was up 2.5% at $178.53. For the year Microsoft shares are up 28.6% while Apple shares are up 5.6%, compared with a 2% gain in the Dow Jones Industrial Average DJIA, +1.96% in which both stocks are components, a 1.8% gain in the S&P 500 index SPX, +1.66% and a 4.4% rise in the tech-heavy Nasdaq Composite Index COMP, +2.23%
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