Software stocks including Datadog Inc. DDOG and Snowflake Inc. SNOW got a lift in Thursday’s after-hours action after Amazon.com Inc. AMZN gave upbeat commentary about its AWS cloud-computing business alongside its latest earnings. Amazon posted 12% growth for AWS, with Chief Executive Andy Jassy calling out in the earnings release that this closely watched part of the business “stabilized as customers started shifting from cost optimization to new workload deployment.” Datadog shares were up nearly 7% in the aftermarket, as AWS performance is thought to offer a read on the company’s own results. There’s a “tight tie...