By Jennifer Sieg Start-up groups met the City minister this week in a bid to soften the controversial new investing rule changes, and hold chancellor Jeremy Hunt’s “feet to the fire”. They issued an update after a meeting with the City minister Bim Afolami yesterday failed to see a successful resolution to the issue. The meeting took place following an open letter was signed by over 2,700 so-called ‘angel investors’ last month, urging the Chancellor to back down on plans to change the definition of ‘high net worth individuals’. Start-up groups said this could potentially shut off millions of p…