The relaunched Furby was one of the bright spots during Hasbro's first quarter, when many of its toy ... [+] categories saw sales declines due to inventory clearance.dpa/picture alliance via Getty ImagesThe two biggest U.S. toymakers, Hasbro Hasbro and Mattel Mattel , saw their stock prices jump today despite both companies reporting sales declines during the first quarter.Investors had been expecting bad news from Mattel, which reported yesterday after the market closed, and Hasbro, which reported this mor ...