Here is how five major, publicly traded gastroenterology companies fared in the stock market for the week of Aug. 14 to Aug. 18, 2017.
Note: This data was compiled using Google Finance.
1. Allergan Pharmaceuticals
Opened: $232.28 on Aug. 14
Peaked: $235.83 on Aug. 14
Closed: $223.92 on Aug. 18
Percent change between Aug 14 to Aug. 18: -3.59 percent
2. Exact Sciences Corp.
Opened: $38.35 on Aug. 14
Peaked: $39.75 on Aug. 15
Closed: $37.87 on Aug. 18
Percent change between Aug 14 to Aug. 18: -1.25 percent
3. Johnson & Johnson
Opened: $133.11 on Aug. 14
Peaked: $134.72 on Aug. 16
Closed: $132.63 on Aug. 18
Percent change between Aug 14 to Aug. 18: -0.36 percent
4. Synergy Pharmaceuticals
Opened: $3.01 on Aug. 14
Peaked: $4.04 on Aug. 16
Closed: $2.92 on Aug. 18
Percent change between Aug 14 to Aug. 18: -2.99 percent
5. Valeant Pharmaceuticals
Opened: $14.12 on Aug. 14
Peaked: $14.81 on Aug. 17
Closed: $14.39 on Aug. 18
Percent change between Aug 14 to Aug. 18: 1.91 percent