Constellation Brands ( STZ ) is one of the leading alcoholic beverage producers, with a handful of high-quality brands that people love, including their crown jewel, Corona, which is often rated as the most valuable beer brand on theAs of 2025, I've got over 10 years of researching companies. In total, throughout my investing life, I estimate that I researched (in depth) well over 1000 companies, from commodities like oil, natural gas, gold and copper to tech like Google or Nokia and many emerging market st ...