One important metric is up by 25%, and it's pointing to higher profits in coming years.From a garage in Bellevue, Washington, in 1995, Jeff Bezos started Amazon (AMZN +9.77%). Now, 30 years later, this tech giant still calls the Evergreen State home. And you may be surprised to know that the stock could still be a smart buy today.Amazon stock tends to be an evergreen idea for good reason: It's a really important company, and everyone would notice if it suddenly went missing. With over $100 billion in quarte ...