Warner Lambert had to raise capital before launching LIPITOR in 1996--Yes WL owned Lipitor.
Pfizer was just a marketing partner.
It's stock went up from 45$ in 1st.qtr.1996 to 152$ /share in 4th qtr.,1997-- 330% increase.
Usually when co. raise capital for "Sales growth "-it is perceived as a good sign by investors.
Please check your facts before writing incorrect statements.