Late last week, we saw many FAANG stocks report their second-quarter results. While stalwarts like Amazon and Apple pleased investors with their earnings, I was most interested in how Alphabet (NASDAQ: GOOGL) (NASDAQ: GOOG) -- Google's parent company -- is performing with its advertising business in the middle of a slowing economy. Here's why its second-quarter earnings show once again why Alphabet is the best FAANG stock to own right now.