AET is currently trading down about 1.4% midday Wednesday.
The deficit would be cut by $337 billion through 2026 but the number of people without health coverage would increase to 24 million.
Fired former U.S. Attorney Preet Bharara was investigating stock trades made by Health and Human Services Secretary Tom Price, according to one report.
The Justice Department is looking into claims that four health insurers defrauded Medicare.
The House Budget panel met Thursday to combine the two parts of GOP legislation to repeal Obamacare. The proceeding is closely watched as a gauge for brewing GOP opposition.