Boosted by improving margins and rising international sales, toy company Mattel (MAT: 31.23, +1.70, +5.76%) posted a stronger-than-expected 14% jump in fourth-quarter profits on Tuesday. The earnings beat, combined with a 35% hike in its dividend payout, sent shares of El Segundo, Calif.-based Mattel jumping 5% to a 52-week high. The maker of Barbie and Hot Wheels said it earned $370.6 million, or $1.07 a share, compared with a profit of $325.2 million, or 89 cents a share, a year earlier.