Investment MATTEL EQUITY ALERT: ROSEN, A LEADING LAW FIRM, Reminds Mattel, Inc. Investors of Important Deadline in Securities Class Action; Encourages Investors with Losses in Excess of $100K to Contact the Firm – MAT – Business Wire December 30, 2019 johorbiznet Johor News MATTEL EQUITY ALERT: ROSEN, A LEADING LAW FIRM, Reminds Mattel, Inc. Investors of Important Deadline in Securities Class Action; Encourages Investors with Losses in Excess of $100K to Contact the Firm – MAT Business Wire Source: Investment New Feed