Stock Markets Are Doing Something They've Only Done 4 Times Since 1870 -- Should You Be Worried?

Key Points Stock markets are historically expensive. One metric has hit levels seen only a few other times in history. These 10 stocks could mint the next wave of millionaires › Expert investors like Warren Buffett are having trouble finding stock market bargains. Just take a look at Buffett's growing cash hoard. His holding company, Berkshire Hathaway, recently reported a $381 billion cash pile -- the most in its history. Want to know why Buffett is growing cautious? One underrated stock market i ...