Bayer extends rebound, but other pharma stocks fall By: MarketWatch March 19, 2009 at 09:16 AM EDT Pharmaceutical shares trade moderately lower but Bayer extends its rebound into a second day after being hit hard earlier in the week. Read More >> Related Stocks: Abbott Laboratories Bayer Aktienges ADR Johnson & Johnson Pfizer Sanofi-Aventis S.A. ADR