Securities products and services offered to self-directed investors through ST Invest, LLC. Member FINRA / SIPC.ST Invest is a wholly owned subsidiary of StockTwits, Inc. Investing in securities products involves risk, including possible loss of principal. Please read important legal disclosures. Trading Course By William Karaman - Will Stockpicks Jan 21, 2017 · Trading Course By William Karaman January 21, 2017 The key to learning from my videos is to analyze everything in the video and take notes, try to consistently watch one video per day.