Sanofi-Aventis Patent Stands

An appeals court reversed a lower court decision that invalidated Sanofi-Aventis' (SNY) patent for its blood thinner Lovenox. Shares of generic drug maker Teva Pharmaceutical Industries (TEVA) eased 17 cents to close at $39.73 while Momenta Pharmaceuticals Inc. (MNTA) dropped $2.18 to close at $15.46. Sanofi-Aventis stock gained 16 cents to close at $45.55.