** Mobile games developer's shares 1909.HK soar as much as
67.1% to HK$1.42, biggest daily pct gain since debut in February
2016
** Stock hits highest since Dec. 9 and on course to snap
five consecutive sessions of losses; biggest pct gainer on Hong
Kong bourse
** Guangdong, China-based Fire Rock Holdings says its
controlling shareholder and chairman Zhang Yan has bought 2 mln
shares in the open market on Dec. 21 for HK$1.63 mln, raising
his stake to 40.8% from 40.75% (https://bit.ly/3qiY9s9)
** Company says Zhang does not rule out the possibility of
further increasing his shareholding in the firm
** Hang Seng sub-index tracking information technology firms
.HSCIIT up 0.5%; Hang Seng Tech index .HSTECH rises 0.8%
** Hang Seng Composite index .HSCI gains 0.4%; Hang Seng
index .HSI climbs 0.3%
** Fire Rock shares down 27.7% this year as of last close
($1 = 7.8003 Hong Kong dollars)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))