Here is how five major, publicly traded gastroenterology companies fared in the stock market for the week of July 24 to July 28.
Note: This data was compiled using Google Finance.
1. Allergan Pharmaceuticals
Opened: $250.24 on July 24
Peaked: $256.61 on July 26
Closed: $253.07 on July 28
Percent change between July 24 and July 28: 1.13 percent
2. Exact Sciences Corp.
Opened: $38.94 on July 24
Peaked: $41.96 on July 26
Closed: $39.45 on July 28
Percent change between July 24 and July 28: 2.5 percent
3. Johnson & Johnson
Opened: $134.53 on July 24
Peaked at open
Closed: $131.84 on July 24
Percent change between July 24 and July 28: -1.9 percent
4. Synergy Pharmaceuticals
Opened: $4.25 on July 24
Peaked: $4.32 on July 24
Closed: $4.06 on July 28
Percent change between July 24 and July 28: -4.4 percent
5. Valeant Pharmaceuticals
Opened: $17.51 on July 24
Peaked: $18.09 on July 25
Closed: $16.84 on July 28
Percent change between July 24 and July 28: -3.8 percent