Tokyo stocks down at break on North Korea jitters

Tokyo stocks fell Monday morning, extending four days of losses as growing tensions on the Korean peninsula stoked demand for the safe-haven yen.US Vice President Mike Pence arrived at the gateway to the Demilitarised Zone dividing the two Koreas, in a show of resolve a day after Pyongyang failed in its attempt to test another missile."Geopolitical risk will continue to be closely monitored today as a strapping US Navy Armada moves within striking distance of North Korea," said Stephen Innes, se