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Deutsche Bank shares leapt by 7.9 percent to an intraday high of 35.49 euros in early trading on the Frankfurt stock exchange but subsequently fell back slightly to show a gain of 6.25 percent.
Late Monday, Deutsche Bank said it would raise around 2.8 billion euros ($3.65 billion) in fresh funds to strengthen its foundations in line with tougher international banking criteria.
Deutsche Bank could issue up to 90 million new shares, a statement said, rasing its core Tier 1 capital ratio from 8.8 percent to around 9.5 percent as so-called Basel 3 rules require banks to boost their capital buffers to protect against possible future shocks to the global financial system.