Germany's DAX 30 index DAX, -1.34% jumped to an all-time intra-day high on Monday, climbing above the 12,000 mark for the first time ever. The index briefly touched 12,001.98, but fell back to trade up 0.8% at 11,991.92 at the latest. The German benchmark has rallied 22% since the start of 2015, as the country's exporters benefit from the weak euro EURUSD, +0.52%The shared currency is trading around a 12-year low against the dollar, weakened by the European Central Bank's aggressive quantitative-easing program. On Monday, shares of Siemens AG SIE, -1.67% up 1.8%, and K+S AG SDF, -2.34% up 1.7%, helped lift the DAX index. marketwatch