Costco stock is beating the market this year, as usual.There are only seven trillion-dollar publicly traded stocks today: Apple, Microsoft, Amazon, Nvidia, Alphabet, Meta Platforms, and Berkshire Hathaway. There are another 10 stocks that have a market value of more than half a billion. Just like Berkshire Hathaway only recently became a trillion-dollar stock, these other 10 are excellent stocks that are likely to join the club at some point in the future.Then there are a few more just behind those. Costco ...