Written statement of purchase or sale to be furnished market trader: RCW 9.47.100. Questions or comments.The Securities and Exchange Commission (SEC) oversees securities exchanges, securities brokers and dealers, investment advisors, and mutual funds. Washington Capital Gains Tax. On the first trading day of the year, all major indexes advanced, but they started tilting down before long. Banks were higher on a steeper yield curve. By: Jerry Cornfield - May 21, 2024 pm. Traders on the floor of the New York Stock Exchange in March 2023. Banks were higher on a steeper yield curve. Maria has led some of the toughest fights to protect consumers from market manipulation on Wall Street.