Since the 1950s, there have been numerous breakthroughs in the field of financial economics that have benefited both society and investors. One early example, resulting from research in the 1950s, is the insight that diversification can increase an investor's wealth. Another example, resulting from research in the 1960s, is that market prices contain up-to-the-minute, relevant information about an investment's expected return and risk. This means that market prices provide our best estimate of … [Read more...] about Evolution of Financial Research: The Profitability Premium