Here is how four major, publicly traded ASC chains fared in the stock market for the week of Aug. 14 to Aug. 18, 2017.
Note: This data was compiled using Google finance.
1. Envision Healthcare
Opened: $52.77 on Aug. 14
Peaked at open
Closed: $50.22 on Aug. 18
Percent change between Aug. 14 to Aug. 18: -4.83 percent
2. HCA Healthcare
Opened: $79.37 on Aug. 14
Peaked: $79.87 on Aug. 15
Closed: $77.54 on Aug. 18
Percent change between Aug. 14 to Aug. 18: -2.3 percent
3. Surgery Partners
Opened: $11.20 on Aug. 14
Peaked at open
Closed: $9.17 on Aug. 18
Percent change between Aug. 14 to Aug. 18: -18.12 percent
4. Tenet Healthcare
Opened: $13.96 on Aug. 14
Peaked: $15.54 on Aug. 18
Closed: $15.15 on Aug. 18
Percent change between Aug. 14 to Aug. 18: 8.54 percent