European shares dip after Wall Street's latest rout

LONDON (Reuters) - European shares opened in negative territory on Friday, following in the footsteps of U.S. and Asian markets which were hit by the threat of a U.S. government shutdown and of further hikes in U.S. borrowing costs.The pan-European STOXX 600 index fell 0.4 percent at 0807 GMT and continued its slide towards lows not seen since the end of 2016.Most European bourses and industry indexes were in the red after the S&P 500 fell overnight, heading for its worst quarter since the dark..