In April when the S&P 500 sunk about 19%, bargain hunters were having a field day. Today, however, the opportunities to find quality artificial intelligence (AI) stocks hanging on the discount rack may seem fewer and farther between. But that's not to say that they don't exist. In fact, today seems like a great time to pick up shares of Nvidia (NVDA -0.46%), ASML (ASML 0.65%), and Amazon (AMZN 0.29%) while they're sitting in the bargain bin. Do this before you decide Nvidia isn't a bargain Trading today at ...