The next market sell-off is just a question of when. The stock market sold off sharply in the early days of August, but has since reversed course, with the S&P 500 making back about half of its recent declines and now trading for just 6% below its all-time high. This wasn't the first stock market sell-off, and it certainly won't be the last. And if the stock market heads lower, there are a few stocks I would love to buy more of if they also drop in price. To be sure, I'm not saying that investors need to wa ...