Warren Buffett highlights free cash flow as the most crucial valuation metric, surpassing the traditional price-to-book value ratio due to the rise of intangible assets. Companies focusing on free cash flow have outperformed, with ETFs like COWZ, VFLO, and QOWZ investing in top holdings like Exxon Mobil, Qualcomm, and NVIDIA. Investors can receive key ETF information through Zacks’ Fund Newsletter.

Read more at Nasdaq: Why Free Cash Flow Drives Superior Stock Performance