Part 1: The Company I Can Never Quite Talk Myself Out of Buying Every few years, Wall Street falls into the same trap. It discovers a new technology, gets wildly excited about it, bids every related stock into the stratosphere, and then suddenly develops the attention span of a goldfish. The narrative changes almost overnight. Yesterday's revolutionary company becomes today's "overvalued dinosaur," and investors begin asking whether the best days are already behind it. I've watched this movie more times than I can count. It happened with personal computers. It happened with smartphones. It happened with cloud computing. Now it's happening with artificial intelligence. And somehow, Amazon always finds itself standing in the middle of the argument. The company is either too expensive, spending too much money, investing too aggressively, or supposedly losing its edge. Then a few years pass, Amazon reports another monster quarter, expands into another industry, an...