** Steel and construction shares with exposure to North
Korea decline after Washington said it has no plans to suspend
more military exercises urn:newsml:reuters.com:*:nL2N1VJ05K
** Shares of Sama Aluminium 006110.KS and Namkwang
Engineering & Construction 001260.KS fall as much as 3 pct
intraday
** Amid a breakdown in diplomacy with North Korea over its
nuclear weapons, U.S. Defense Secretary James Mattis indicated
Washington may reconsider joint military drills with South
Korea, saying that no decision has been made on next year's
exercises
** Stocks exposed to North Korea plunged on Monday, after
U.S. President Donald Trump cancelled a visit to Pyongyang by
his top diplomat Mike Pompeo urn:newsml:reuters.com:*:nL3N1VI04U
** The broader KOSPI market .KS11 was flat as of 1240 GMT
((hayoung.choi.thomsonreuters.com@reuters.net))