Here is how four major, publicly traded ASC chains fared in the stock market for the week of Oct. 2 to Oct. 6, 2017.
Note: This data was compiled using Google Finance.
1. Envision Healthcare
Opened: $44.96 on Oct. 2
Peaked: $45.26 on Oct. 2
Closed: $44.52 on Oct. 6
Percent change between Oct. 2 and Oct. 6: -0.97 percent
2. HCA Healthcare
Opened: $79.78 on Oct. 2
Peaked: $80.33 on Oct. 2
Closed: $76.63 on Oct. 6
Percent change between Oct. 2 and Oct. 6: -3.94 percent
3. Surgery Partners
Opened: $10.42 on Oct. 2
Peaked: $11.37 on Oct. 5
Closed: $11.30 on Oct. 6
Percent change between Oct. 2 and Oct. 6: 8.44 percent
4. Tenet Healthcare
Opened: $16.42 on Oct. 2
Peaked: $16.81 on Oct. 2
Closed: $15.63 on Oct. 6
Percent change between Oct. 2 and Oct. 6: -4.82 percent