Hagerty, Inc. (HGTY) shares rallied 6.3% in the last trading session to close at $10.11. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 5.4% gain over the past four weeks.Hagerty, an insurance service provider for vintage and classic cars, ended sharply higher on the last trading day, buoyed by optimism over introduction of the company’s new Truck and SUV Index – the fourth such price guide it has launched i ...