Vanguard S&P 500 ETF (NYSE: VOO) is trading higher today. The ETF has the highest exposure to Apple Inc (NASDAQ: AAPL), followed by Microsoft Corp (NASDAQ: MSFT). It has an exposure of ~14% in the stocks combined. It has an exposure of close to 3% in Amazon.Com Inc (NASDAQ: AMZN), its third largest holding after Apple and Microsoft. […]