Investors spent over $140 million on TRUMP memecoin to secure an exclusive dinner invitation at Trump's National Golf Club.The announcement of the dinner event caused a 40% surge in the memecoin's value, reversing an 88% decline seen earlier.Buyers invested from $53,500 to $16.4 million to secure their invitations, with the top holder being an account identified as Sun VIP.Critics raise concerns about potential conflicts of interest as the TRUMP coin is partially owned by an affiliate of the Trump Organization.