Has Walmart Stock Been Good for Investors?

How has Walmart stock done compared to the S&P 500?It's difficult for stock pickers to consistently beat a passive index like the S&P 500 (^GSPC +0.54%).That's why index investing has become so popular. But individual investors can find market-beating stocks. And they can ride these winners, providing they still believe in the company's long-term prospects.Walmart (WMT +1.31%) has become a household name, and it's a familiar company to investors, having conducted its initial public offering (IPO) in 1970. B ...