The European Central Bank cut three key interest rates on Thursday by 0.1% percentage point. The refinancing rate was lowered to 0.05%, the marginal lending rate to 0.3% and the rate on the deposit facility to negative 0.2%. The euro tumbled on the news. The ECB made no comment on new quantitative-easing measures. The spotlight now turns to ECB President Mario Draghi, who is scheduled to hold his regular news conference at 8:30 a.m. Eastern.

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