Mattel stock has lost some luster since the Barbie movie came out in the summer Mattel Inc (NASDAQ:MAT) stock is 1.7% lower premarket, after J.P. Morgan Securities downgraded the toymaker to "neutral" from "overweight." According to the analyst, the toymaker's tailwinds from the "Barbie" movie were overblown, while weak 2023 holiday sales and higher freight costs will weigh on MAT going forward.Despite a fractional year-to-date lead and a nearly 11% year-over-year deficit, the majority of analysts are optim ...