HK's WINDMILL soars to record high as parent plans sale of control

** Shares of fire safety systems supplier and installer WINDMILL Group Ltd soar 54.7% to HK$2.46, their highest since listing in April 2017

** Stock last up 41.5%, the biggest percentage gainer on the Hong Kong bourse

** Co says controlling shareholder Standard Dynamic Enterprises Ltd entered into a memorandum of understanding to sell 480.03 mln shares, or 60% of the issued share capital, to two individual investors but no formal agreements have been entered

** Says the potential investors may require to make a mandatory general offer for all the issued shares

** The Hong Kong Hang Seng Commerce & Industry Index falls 1.1%

** The Hong Kong composite Industry Index tracking property and construction stocks eases 0.2% and the benchmark index slips 0.9%

** Stock had soared 448.3% this year, as of last close