Envision Healthcare Corporation, a provider of physician-led outsourced medical services to consumers, hospitals and healthcare systems in the U.S., recently announced the acquisition of Gwinnett Emergency Specialists, P.C. Stock Performance The price performance of Envision Healthcare was unfavorable in the last three months. The stock lost 21.03%, underperforming the Zacks classified Medical-Outpatient/ Home Care sub-industry's loss of only 2.42%. The estimate revision trend for the current year has been unfavorable. Two estimates have moved south in the last two months against no movement in the opposite direction.