Any investment that has become a topic of widespread conversation is likely to be hazardous to your wealth. It was true of gold in the early 1980s and Japanese real estate and stocks in the late 1980s. It was true of Internet-related stocks in the late 1990s and condominiums in California, Nevada, and Florida in the first decade of the 2000s, as well as bitcoin, GameStop, and AMC Entertainment in 2021.