** Shares of Shandong Weigao Group Medical Polymer 1066.HK
sink 6.3% to HK$5.08, their lowest May 2018
** Chinese medical devices developer estimates its FY net
profit to fall 25%-30% YoY with revenue down 2%-5%
** Says national volume-based procurement policy has led to
a price reduction per product sold while significant increase in
research and development expenses also hit its results
** Hang Seng Commerce & Industry Index .HSNC falls 1.4%,
while Hang Seng Composite Index .HSCI and Hang Seng Index
.HSI both slip 1%
** Stock on track for worst month since listing in 2004,
down 32.3% so far - LSEG data
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))