QuinStreet (QNST) to be added to the S&P 600, with eResearchTechnology (ERT) to be deleted...

|By:, SA News Editor

QuinStreet (QNST) to be added to the S&P 600, with eResearchTechnology (ERT) to be deleted as of the close on June 27th. ERT is being acquired by affiliates of Genstar Capital in a deal expected to be completed soon.