Market downturns offer an excellent opportunity to add shares of great stocks at a discount. After all, the basic goal is to buy low and sell high -- and hopefully, that sell is a long way down the road, after the stock has accumulated a lot of wealth. There is one financial stock on my radar that has been one of the best, most consistent stocks for decades. Yet, it has had a rare downturn over the past year and is trading down about 18% year to date. Will AI create the world's first trillionaire? Our tea ...