Here is how five major, publicly traded gastroenterology companies fared in the stock market for the week of July 31 to Aug. 4.
Note: This data was compiled using Google Finance.
1. Allergan Pharmaceuticals
Opened: $253.07 on July 31
Peaked: $255.22 on July 31
Closed: $242.55 on Aug. 4
Percent change between July 31 and Aug. 4: -4.15 percent
2. Exact Sciences Corp.
Opened: $39.47 on July 31
Peaked: $39.59 on July 31
Closed: $38.69 on Aug. 4
Percent change between July 31 and Aug. 4: -1.97 percent
3. Johnson & Johnson
Opened: $131.84 on July 31
Peaked: $133.91 on Aug. 4
Closed: $133.11 on Aug. 4
Percent change between July 31 and Aug. 4: 0.96 percent
4. Synergy Pharmaceuticals
Opened: $4.06 on July 31
Peaked at open
Closed: $3.72 on Aug. 4
Percent change between July 31 and Aug. 4: -8.37 percent
5. Valeant Pharmaceuticals
Opened: $16.87 on July 31
Peaked at open
Closed: $15.12 on Aug. 4
Percent change between July 31 and Aug. 4: -10.37 percent