From Standard & Poor’s chief investment strategist of equity research—21st century investment strategies behind Wall Street’s eternal truths

As January goes, so goes the year. Let your winners ride, but cut your losers short. Sell in May, and then walk away. They’re commonplaces familiar to every investment professional. Yet, until now, nobody has bothered to subject these old adages to scientific scrutiny. In this short, accessible investment guide, investing guru Sam Stovall proves that there’s more than a little wisdom in those old saws. Drawing on nearly a 40 years’ worth of data, he provides easy-to-follow, step-by-step guidance on how to take full advantage of the sound investment strategies contained in those sayings.