European shares fluctuated on Tuesday with the benchmark Stoxx Europe 600 Index snapping a three-week gain as investors awaited corporate earnings and an outcome of the Federal Reserve's meeting suggesting stimulus until early 2014. Euro Stoxx 50 Index futures with settlement in December fell 0.1% to 3,013 as of 7:08 a.m., while the Stoxx Europe 600 Index dropped 0.2% yesterday.