It's been a really, really tough year for returns. According to data from Societe Generale, the best-performing asset class of 2015 has been stocks, whose meager 2 percent total return (that is, including dividends) still surpasses those of long-term bonds, short-term Treasury bills and commodities. These minimal gains make 2015 the worst year for finding returns since 1937, when the cash-like 3-month Treasury bill beat out other major asset classes with a return of 0.3 percent. Larry McDonald, head of U.S. macro strategy at Societe Generale, said the all-encompassing lag in performance is one reason why major money ... (full story)