ECB's Draghi pulls European stocks back into black

(Reuters) - European stock markets recovered from early falls on Tuesday after European Central Bank chief Mario Draghi promised more monetary stimulus if the economy does not improve, offsetting another warning on slowing sales from the chip sector. Speaking at the ECB's annual conference in Portugal, Draghi pointed the way to cuts in interest rates or new asset purchases if inflation does not return to target, weakening the euro, lowering European bond yields and pulling stock markets..