Jefferies rates IQVIA, Charles River as Buy, ICON as Hold (CRL)

Group 1 - Jefferies upgraded IQVIA (NYSE:IQV) and Charles River Laboratories (NYSE:CRL) to Buy from Hold [2] - ICON PLC (NASDAQ:ICLR) was downgraded to Hold from Buy [2] - Analyst David Windley provided insights on the Contract Research Organisations (CRO) sector [2]