Skullcandy reported a 34 percent sales increase to $96.8 million for the fourth quarter of 2014, delivering a gross margin of 43.3 percent and a 97 percent improvement in operating income to $5.3 million. Net earnings jumped to $7.4 million from $3.6 million in the year-earlier quarter. The headphone brand's sales outside the U.S. rose by 27 percent to $26.3 million. For the full financial year, the company's sales rose by 18 percent to $247.8 million, with increases of 19 percent in the U.S. and 16 percent abroad. They generated net income of $7,599,000 against a loss of $3,036,000 in the prior year.