CRANBURY, N.J., May 21, 2012 (GLOBE NEWSWIRE) -- Amicus Therapeutics (Nasdaq:FOLD), a biopharmaceutical company at the forefront of developing therapies for rare and orphan diseases, today announced that the Company was added to the NASDAQ Biotechnology Index (Nasdaq:NBI) (Nasdaq:XNBI) after the close of trading on Friday, May 18, 2012.