Trade stress, Iran tensions hits stocks, dollar frets on Fed doves

LONDON (Reuters) - European shares were spooked by Iran tensions and trade jitters on Tuesday, while the risk of more dovish talk from the Federal Reserve inflated gold to six-year highs and stoked demand for safe-harbour currencies like the yen and Swiss franc.Taking a dramatic step to increase pressure on Iran, U.S. President Donald Trump on Monday signed an executive order imposing sanctions on Supreme Leader Ayatollah Ali Khamenei and other top officials.The move is a further worry for..