ANN ARBOR, Mich. (AP) — Domino's sales jumped 12.2 percent at established U.S. locations in the final months of 2016, extending the pizza delivery chain's streak of quarterly sales growth to nearly six years. The Ann Arbor, Michigan company notched its 23rd straight quarter of domestic sales growth at established locations in part by offering easier ways to order online, on mobile phones and even social media.