Steven Dickens says recent A.I. announcements from Amazon (AMZN) make him "really bullish" on the AWS segment alongside a record-breaking Prime Day sales event. He says the ecommerce event drives consumers to its platform as a "digital watering hole" to spend time engaging with its services. Steven says Alphabet (GOOGL) earnings will help paint a picture for a chief competitor of AWS and Amazon's A.I. ventures.