Shares of Pfizer Inc. PFE
It was down 0.86% to $ 36.86 on Wednesday on what proved to be a mixed trading session for the stock market with the S&P 500 Index SPX.
It rose 0.23% to 3,809.84 and the DJIA, the Dow Jones Industrial Average.
It was down 0.03% to 31
The stock showed mixed performance against some Wednesday rivals such as Johnson & Johnson JNJ.
Merck & Co. Inc. was down 0.15% to $ 157.89.
It was down 0.90% to $ 82.34 and Novartis AG ADR NVS.
It was down 0.58% to $ 93.31.Trading volume ($ 31.0 million) was 19.1 million, well below the 50.1 million 50-day average.