P448, the Italian maker of fashion-forward street-style sneakers, is under new ownership. StreetTrend LLC, a manufacturer, distributor and seller of fashion footwear and streetwear, has taken 100 percent ownership of the European footwear brand for an undisclosed sum. P448 will complement StreetTrend’s PS821 footwear brand, which the distributor founded on the belief that exclusivity should…