Horsehead Holding Corp., a Monaca, Pa.-based producer of specialty zinc and zinc-based products, raised around $87.6 million in its IPO. The company priced 4.86 million common shares at $18 per share ($18-$20 range), for an initial market cap of nearly $613 million. It will trade on the Nasdaq under ticker symbol ZINC, while Friedman Billings Ramsey served as lead underwriter. Shareholders include Sun Capital Partners.