(Bloomberg) — Amazon.com Inc.’s stock had the biggest advance on the S&P 500 Index after the e-commerce giant said its holiday season this year was “record breaking,” with billions of items shipped and “tens of millions” of Amazon devices like the Echo Dot sold.Five million new customers started Prime free trials or paid memberships globally, while the number of items that were delivered with one-day or same-day shipping quadrupled compared to last holiday season. Independent third-party sellers, meanwhile, sold more than a billion items, Amazon said.Shares of the Seattle-based company rose as much as 2% in low-volume trading the day […]