Welcome to Law.com Class Actions: Critical Mass, a weekly briefing for class action and mass tort attorneys.

This week: The District of New Jersey is now home to 13 more cases over insulin price fixing, with a panel ruling handing the MDL to a federal judge already familiar with the subject. Yellow Corp. was hit with two WARN Act suits after laying off 30,000 and announcing it’s heading into Chapter 11 proceedings. Syngenta brought up SCOTUS’ Mallory decision in Philadelphia’s mass Paraquat tort.