Here is how four major, publicly traded ASC chains fared in the stock market for the week of Nov. 13 to Nov. 17.
Note: This data was compiled using Google Finance.
1. Envision Healthcare
Opened: $24.95 on Nov. 13
Peaked: $29.62 on Nov. 16
Closed: $29.05 on Nov. 17
Percent change between Nov. 13 and Nov. 17: 16.43 percent
2. HCA Healthcare
Opened: $77.98 on Nov. 13
Peaked: $78.12 on Nov. 13
Closed: $75.23 on Nov. 17
Percent change between Nov. 13 and Nov. 17: -3.52 percent
3. Surgery Partners
Opened: $9.45 on Nov. 13
Peaked: $9.05 on Nov. 14
Closed: $8.35 on Nov. 17
Percent change between Nov. 13 and Nov. 17: -11.64 percent
4. Tenet Healthcare
Opened: $13.82 on Nov. 13
Peaked: $13.87 on Nov. 13
Closed: $13.24 on Nov. 17
Percent change between Nov. 13 and Nov. 17: -4.19 percent