In this seminal work that has shaken up Wall Street, quantitative pioneer James P. O'Shaughnessy presents factual, unbiased, and unexpected findings on what investing strategies actually work in the stock market. His analysis makes clear that you can do vastly better than the market by consistently using stock selection strategies that have withstood the test of time. Moreover, four decades of results warn investors to steer clear of some popular investment methods that can be toxic to their wealth.Which investment strategies are winners - and which are losers? What factors most reliably indicate that a stock will rise? Are value strategies better than growth approaches? Is the P/E ratio important? What about the price-to-sales ratio? In this book, O'Shaughnessy reveals his often surprising findings - including little-used strategies that have regularly earned more than 18% per year.It doesn't matter if you are an aggressive investor seeking fast growth, or a conservative investor seeking low risk, high-yielding stocks for your retirement account - no matter what your style of investing is, O'Shaughnessy's landmark study shows you beyond a shadow of doubt what strategies work on Wall Street. Read Less