Crude oil futures ended higher Tuesday, snapping a five-session losing streak and reversing earlier losses as gains on Wall Street overpowered a stronger dollar, milder weather and ample oil inventories. US equities rose as investors scooped up health care shares, betting that a potential Republican victory in the Massachusetts Senate race could stall President Barack Obama's reforms and remove a threat to profits in the sector. Nymex February crude, which expires on Wednesday, settled up $1.02 at $79.02 per barrel.
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