BUOYED — Bernie Sanders, shown with his wife, Jane, in Concord, received a flood of donations after the Iowa vote and looked to build on the enthusiasm.

LONG VIEW ­— Hillary Clinton, speaking at Nashua Community College, hailed her narrow win and took on the challenge of galvanizing new voters.

CHARGING HARD — Ted Cruz, signing an autograph after a rally in Windham, moved aggressively to build on his Monday victory.