The D&O Diary’s Kevin LaCroix discusses recent state court dismissals of securities actions under the Securities Act of 1933 after the Supreme Court of the United States ruled in Cyan, Inc., et al. v. Beaver County Employees Retirement Fund, et al., No. 15-1439, opinion (U.S. Mar. 20, 2018), that that state and federal courts have concurrent jurisdiction over such claims. Connecticut State Court Knocks Out Post-Cyan Securities Act Liability Action.