** Shares of United Energy Group 0467.HK jump as much as
11.3% to HK$1.08, extending gains for the second session
** Stock on course for biggest one-day pct rise since March
30 if gains hold; biggest pct gainer in Hang Seng Composite
Index on energy stocks .HSCIE
** Co says controlling shareholder and chairman Zhang Hong
Wei has bought 54.81 mln shares for HK$52.15 mln ($6.7 mln) mln,
raising his stake to 67.07%
** Says Zhang's acquisitions signify his confidence in the
development prospects and growth potential of the company
** Hang Seng energy index .HSCIE gains 0.8%, and Hang Seng
Mainland Oil & Gas Index .HSMOGI climbs 0.3%
** Hang Seng Composite Index .HSCI rises 2% and Hang Seng
Index .HSI up 2.1%
** Stock up 47.1% YTD
($1 = 7.8310 Hong Kong dollars)
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))