** Shares of companies making masks and air purifiers rally
as fine dust blankets South Korea, while government enforces
emergency measures
** Shares of mask manufacturers soar; Welcron 065950.KQ
surge 12.7 pct, while Monalisa 012690.KS and Okong 045060.KQ
add 5 pct and 4.9 pct, respectively
** Dayou Winia 071460.KQ and Winix 044340.KQ , which make
air purifiers, also rise 3.8 pct and 2.8 pct, respectively
** The broader KOSPI market .KS11 was trading down 0.3
pct, while the junior KOSDAQ market .KQ11 was trading up 0.2
pct
((hayoung.choi.thomsonreuters.com@reuters.net))