Vitamin retailer GNC Holdings ( GNC) priced 22.5 million common shares at $16 each in late March, raising $360 million. The stock closed Thursday at $29.19. The pricing was at the midpoint of the expected range. Apollo Global Management had previously tried to take GNC public twice and then finally sold it to Ares Management and the Ontario Teachers' Pension Plan Board. GNC offered new shareholders increasing earnings and revenue, delivering net income of $48.7 million on revenue of $538 million in its fiscal third quarter, up from year-ago earnings of $26.7 million on revenue of $465.7 million.