Over its history, Altria (MO +0.81%) has been one of the best-performing stocks on the market, returning 20% annually for much of that time thanks to strong dividend growth and the resilience and recession-proof nature of the tobacco sector. Over the last decade, however, the stock's performance has been much more pedestrian as smoking rates in the U.S. continue to decline and the company's efforts to diversify away from cigarettes have mostly backfired. That includes its investments in Cronos Group and Juu ...