China State Construction is trading 4.04% up at HK$8.50, with no clear company-specific announcement explaining the October 26 move. - Latest company news was its October 21 nine-month results: revenue, operating profit and joint-venture profits declined year over year. - At midday, the Hang Seng was up 0.44%, while the Hang Seng Tech Index fell 0.37%; this does not establish a direct market-wide cause.