How digital media powerhouse Criteo and its new CEO Megan Clarken (CRTO) are finding ways around the privacy limitations from Apple and Facebook. Fintech heavyweight Paychex (PAYX) finds new lines of business are possible thanks to millions of workers quitting their jobs. Why RH (RH) is blaming Russia for its weak results. What IGM Biosciences (IGMS) needs to do with a lifesaving cash infusion from Sanofi. The Drill Down with Cory Johnson offers a regular look at the business stories behind stocks on the move.

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