ETF Chart of the Day: Vanguard S&P 500

Late last week we saw substantial creation activity in one of the newer ETFs that track the S&P 500 index, Vanguard S&P 500 (NYSEArca: VOO). Last Wednesday, more than 5 million shares of VOO exchanged hands, versus average daily volume of about 619,000 shares. More than $300 million entered...