Gtech (GTK) , an operator of lottery systems, posted fourth-quarter earnings of 93 cents a share, excluding items. Analysts were looking for earnings of 86 cents. Revenue for the quarter rose 12% to $275 million. Gtech forecast first-quarter earnings of 83 cents to 88 cents a share, while analysts expect 79 cents. The stock was up 7.9% to $50.50.