Veteran "Halftime" guest and investor Jim Lebenthal sat down with CNBC's Dominic Chu to discuss how the former nuclear engineer and U.S. Navy officer created a science-minded approach to fundamental analysis and value investing that has led to a decades-long career on Wall Street. Lebenthal goes into detail on how he uses different fundamental analytical tools, walking Pro subscribers through how he finds price-to-earnings growth ratios of stocks like Amazon and Nvidia. He also gives examples of how to incorporate tools from technical analysis to help augment his decision-making process, and fields stock-specific questions from Pro subscribers. CNBC Pro Talks features one-on-one interviews with Wall Street’s top investors, smartest traders and rising stars. CNBC’s Dominic Chu finds out what makes them tick, what makes them money, and how you can follow in their footsteps. CNBC Pro Talks is a monthly interview series that’s part of CNBC’s premium subscription service, CNBC Pro. To hear the full Pro Talk interview—including specific stock picks and investment strategies—listeners can subscribe to [cnbc.com/protalks].