MAT ▲ +0.1% - Mattel, Inc. $MAT - Mattel Announces All-New Thomas & Friends Animated Series With "Really Helpful Engines" Special Mattel announced a new Thomas & Friends animated series along with a "Really Helpful Engines" special, contributing to a modest 0.1% gain in the stock today. The expansion of the long-running franchise represents continued efforts to drive revenue through content and merchandise tied to one of the company's key intellectual properties. 17-SEP-2026 08:03 AM ET