David Ryan, three-time U.S. investing champion and protege of IBD founder Bill O'Neil, joined the "Investing With IBD" podcast to share his approach to sizing positions in order to capture huge stock moves that can really move the needle in your portfolio. Ryan reviews some of his trades from his years winning the U.S. investing championship as well as current stocks he has his eye on like Tidewater (TDW), Oceaneering International (OII) and Carpenter Technology (CRS). Plus, he provides an updated view on current market conditions given the recent follow-through day.

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