Australia's Star Entertainment jumps as Hard Rock group makes potential approach

** Shares of Australia's Star Entertainment SGR rise as much as 22.2% to A$0.55, their biggest intraday jump since August 2023

** The embatteled casino operator on Monday confirmed a consortium led by Hard Rock Hotel & Casino is mulling a bid for the firm

** Says it has received inbound interest from a number of external parties regarding potential transactions

** Hard Rock Hotel & Casino is the operator of The Mirage in Las Vegas and other casino resorts in North America

** Shares hit highest since April 11

** Stock has fallen 12.6% this year, as of last close