IPG Photonics (IPGP -3.5%) slumps after receiving a downgrade to Hold from Noble Financial. The...

|About: IPG Photonics Corporation (IPGP)|By:, SA News Editor

IPG Photonics (IPGP -3.5%) slumps after receiving a downgrade to Hold from Noble Financial. The industrial laser vendor, stung last year by concerns about slowing European and Chinese demand, has rallied strongly this summer.