New York Gov. Andrew Cuomo yesterday signed a bill into law permitting those suffering from post-traumatic stress disorder (PTSD) to access legal medical cannabis. It was particularly symbolic that the bill was signed on Veterans' Day, since many battle-scarred veterans suffer from PTSD. Most states...

We on Wall Street like to think we do important things. Some say it's just moving money from one pocket to another. Others say we are helping finance the next cancer cure or solution to climate change or game-changing new technology. But in the end...