On the latest Marketplace Roundtable podcast, David Trainer, of Value Investing 2.0, sits down with Seeking Alpha's Jonathan Liss to walk listeners through his comprehensive stock and equity fund valuation system. The system is rooted in a painstaking process of forensic analysis and correcting financial reporting data, via machine learning. The wide-ranging conversation that follows tries to answer deeper questions about proper valuation techniques in a 'permanent' low yield environment.