European shares step back, Trump's China response awaited

(Reuters) - European shares pulled back on Friday as market participants turned their focus to Washington's response to the Chinese parliament's approval of a national security law for Hong Kong, but major indexes were on course to finish May with solid gains.The pan-European STOXX 600 index fell 0.9% by 0709 GMT, with U.S. President Donald Trump due to announce his policy moves that could escalate tensions between Washington and Beijing.Automobiles and parts makers led declines with a 2.5%..