European shares drop as Washington and Tehran trade threats

(Reuters) - European shares slipped on Monday as investors continued to trim risky bets amid escalating tensions between the United States and Iran, but shares of jeweller Pandora soared after it said it would meet 2019 sales targets.Iran vowed to avenge the killing of a top general by the United States, while U.S. President Donald Trump warned that Washington would strike back if Tehran retaliated.The pan-European STOXX 600 index dropped 0.4%, well off its session lows but down for the second..