Horsehead Holding, a zinc recycler producing specialty zinc and zinc-based products, priced 4.87 million shares, 13% less than the expected 5.6 million shares, at $18 per share, the low end of the proposed $18-$20 range. Friedman Billings Ramsey was the lead manager on the deal. The stock is expected to begin trading on the NASDAQ today under the ticker "ZINC."