The US dollar held at a two-week high on Wednesday ahead of policy decisions from central banks, with the Federal Reserve widely expected to leave its policy interest rate unchanged while signalling the probability of any December move.Most of its peers were unmoved ahead of the Fed decision. The euro was flat at $1.1129 as was the British pound at $1.3307. Against the yen, the dollar oscillated between gain and loss and was last 0.1% weaker at 157.81 yen.The kiwi dollar was trading level at $0.5682 ahead of a policy decision from the Reserve Bank of New Zealand, with economists generally expecting an interest rate hike.Its Australian counterpart was 0.3% stronger at $0.7047 after the release of inflation data which was 1.3% in the third quarter of the year, after 0.6% the previous quarter.