GLOBAL MARKETS-Dollar jumps, stocks set for worst quarter since 2012

* Dip in euro zone inflation knocks euro down, lifts dollar * Global equity markets head for worst quarter in two years * Dollar strength drags gold, oil lower (Adds close of European markets, changes byline) By Chuck Mikolajczak NEW YORK, Sept 30 (Reuters) - The dollar surged on Tuesday after weak euro zone inflation data for September raised expectations of new stimulus from the European Central Bank, while world stock markets were set for their largest quarterly drop in mor