** Shares of property developer Zensun Enterprises Ltd
rise as much as 7% to HK$0.61, on course for best day since April 30
** Co says it will be included as a constituent in the MSCI Hong Kong small-cap index, with effect after market close on May 27
** Says the inclusion into the index is expected to enhance its reputation and increase trading liquidity
** As of last close, Zensun stock up 32.6% this year
** Marketing services group Joy Spreader Interactive Technology Ltd climb 5.7% on inclusion plans in MSCI China small-cap index after market close on May 27
** Property development and management group Powerlong Real Estate Holdings Ltd rise 2.8% on inclusion plans in MSCI China Index
** The Hong Kong Hang Seng sub-index tracking property firms
slips 0.9%
** The Hang Seng China enterprises index slides 0.9%, and the benchmark index eases 0.7%