A drop in existing home sales weighed the markets down to a lower close with the Dow falling 31 points to 17,792. Nasdaq slipped 2 points to 5,102.
On the upside
Shares of Aeterna Zentaris (Nasdaq: AEZS) surged after completing its 1-for-100 reverse stock split on Friday.
Bargain hunters lifted shares of Universal Insurance Holdings (NYSE: UVE).
Shares of Uni-Pixel (Nasdaq: UNXL) rose again.
On the downside
Investors locked in profits on Pampa Energia (NYSE: PAM).
Pfizer (NYSE: PFE) will pay approximately $160 billion to acquire Allergan (NYSE: AGN).
Profit taking weighed down shares of Valeant Pharmaceuticals (NYSE: VRX).
In the broad market, advancing issues barely edged out decliners by a slim margin on the NYSE and by more than 9 to 7 on Nasdaq. The broader S&P 500 slipped 2 points to 2,086. Bitcoin edged up a fraction to $322.