Although Margaret lives and works in Silicon Valley, she does not work for a high-tech company. One day after work, Margaret and a few friends went to a local bar/restaurant. Sitting next to them was a group of people they did not know who appeared to be celebrating. Because the group was talking loudly, Margaret and her friends soon learned they were engineers celebrating a revolutionary breakthrough they had made in artificial intelligence. As Margaret and her friends were leaving, Margaret casually asked the group who they worked for. The next morning, Margaret made a sizeable investment in the company the celebrating engineers worked for. A few months later, that company's stock had more than tripled. Margaret misappropriated material, non-public, and confidential information in violation of Rule 10b5. has done nothing illegal. has done nothing illegal, as long as she did not "tip" any of her friends or family about the information she learned. violated Rule 10b-5 since she should reasonably know she was overhearing material, non-public information