HAWTHORNE, N.Y.--(BUSINESS WIRE)--Acorda Therapeutics, Inc. (Nasdaq: ACOR) today announced that the underwriters of its June 2007 public offering of common stock have exercised their entire option to purchase an additional 562,500 shares of common stock at the public offering price of $18.50 per share. The exercise of the option increases the size of the offering to an aggregate of 4,312,500 shares of common stock.