The Pharmaceutical Research and Manufacturers of America filed an amended lawsuit against a California drug price transparency law one month after a federal judge dismissed the original suit. The California law requires drug makers to justify price hikes of at least 16 percent over two-year periods. The crux of PhRMA’s argument is that the law is unconstitutional because it penalizes companies for price increases outside of California, thereby setting national policy. Drug makers are required by the state law to...