Costco sold a jaw-dropping $100 million worth of one-ounce gold bars in its latest quarter, the company's CFO Richard Galanti said in earnings call yesterday. Selling out “within a few hours”  ..

"For you last-minute shoppers out there," he added, "there's a Mickey Mantle autographed 1951 rookie card in nearly perfect condition, and it's on sale online for $250,000."