7 Sep 17 - Markets Range-bound | Auckland Airport Global markets were mixed overnight, with Wall Street moving between gains and losses but closing the session higher. A potential US debt limit extension deal, linked to aid to help Texas recover from Hurricane Harvey, and rising oil prices are underpinned positive sentiment.   News that President Donald Trump agreed to deal with Democratic leaders in Congress to increase the nation's debt limit and provide funding for the federal government until mid-December bolstered spirits on Wall Street. That news gave an added boost to Wall Street where US stocks were higher in early afternoon trading on Wednesday, helped by a bounce in energy stocks, but gains were limited due to worries over tensions on the Korean peninsula.   Closer to home, the NZ market traded higher led by dividend stocks, while the Austral...