S.Korea's filter, mask companies rally on air pollution woes
** Shares of companies making air purifiers and masks jump
as Seoul records its worst-ever air pollution
** Nano Co Ltd 187790.KQ and Winix Inc 044340.KQ , which
make air purifiers, soar as much as 27.1 pct and 12.3 pct
respectively, while Coway Co Ltd 021240.KS rises up to 3.9 pct
** Mask producing company Clean & Science Co Ltd 045520.KQ
gains as much as 11.3 pct
** Broader market .KS11 slightly down 0.1 pct, as of 0114
GMT
((Reuters Messaging: dahee.kim@thomsonreuters.com))