** Shares of Chinese conglomerate Fosun International 0656.HK climb 2.2% to HK$3.67, on track for their biggest one-day pct gain since February 27
** The tourism and leisure-to-intelligent manufacturing business operator said its controlling shareholder and senior management intend to increase their shareholdings in the company through open market transactions for up to HK$500 mln ($64.00 mln)
** Says the increase is to reflect their confidence in the company's prospects and growth potential
** YTD, stock down 16.9, benchmark Hang Seng Index .HSI down 2.1%
($1 = 7.8130 Hong Kong dollars)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))