Health Care

Pfizer stock downgraded on expiring Viagra, Lyrica patents

Shares of the pharmaceutical giant Pfizer (NYSE:PFE) took a dip Thursday morning after a Wall Street bank lowered its stance on the drugmaker amid two key drug patent expirations—including their its popular Viagra drug—over the next 18 months.

AIDs deaths down nearly 50% since 2005, UN reports

AIDS-related deaths globally have been cut by nearly half since 2005 as a record number of people from around the world are gaining access to treatments, the United Nations reported Thursday.

Health care stocks slide as GOP bill fails

Health care stocks fell Tuesday as investors attempted to discern the impact of the GOP’s failure to pass a health care reform bill through the U.S. Senate.