Here is how four major, publicly traded ASC chains fared in the stock market for the week of Sept. 24 to Sept. 29, 2017.
Note: This data was compiled using Google Finance.
1. Envision Healthcare
Opened: $44.69 on Sept. 24
Peaked: $45.28 on Sept. 25
Closed: $44.96 on Sept. 29
Percent change between Sept. 24 and Sept. 29: 0.60 percent
2. HCA Healthcare
Opened: $78.22 on Sept. 24
Peaked: $79.66 on Sept. 29
Closed: $79.55 on Sept. 29
Percent change between Sept. 24 and Sept. 29: 1.70 percent
3. Surgery Partners
Opened: $9.60 on Sept. 25
Peaked: $11.05 on Sept. 29
Closed: $10.35 on Sept. 29
Percent change between Sept. 24 and Sept. 29: 7.81 percent
4. Tenet Healthcare
Opened: $16.21 on Sept. 25
Peaked: $16.63 on Sept. 29
Closed: $16.42 on Sept. 29
Percent change between Sept. 24 and Sept. 29: 1.29 percent