8:36 pm ET 12/22/2014 Intraday data is at least 15 minutes delayed
BBG AMER HEALTH-SERVICE
The Bloomberg Americas Health Care Services Index is a capitalization-weighted index of the leading health care services stocks in the North, South, and Central American region. The index was developed with a base value of 100 as of December 31, 1999. The parent index is BWORLDUS.
Gilead Sciences Inc. shares sank after the biggest drug-benefit manager in the U.S. chose a pill from AbbVie Inc. to be the sole hepatitis C treatment approved for many patients, as insurers seek to rein in the rising cost of medicine.