Here are the stock reports from five ambulatory surgery center companies.
AmSurg
Open: $55.76
Previous close: $54.56
Market cap: $2.6 billion
Surgical Care Affiliates
Open: $33.41
Previous close: $33.46
Market cap: $1.2 billion
Tenet Healthcare
Open: $45.44
Previous close: $45.25
Market cap: $4.4 billion
HCA
Open: $70.75
Previous close: $70.46
Market cap: $29.5 billion
Northstar Healthcare
Open: $4.10
Previous close: $4.03
Market cap: $242.9 million