 One way to play a potential revival in out-of-favor value investing is a classic approach: buying stocks with low price-to-earnings ratios. Barrons screened the SP; 500index for the 10 companies with the lowest PE ratios based on projected 2020 earnings and market values above 5 billion, using FactSet. The group includes some well-known companies like VIAC ticker: VIAC, Walgreens Boots Alliance WBA, PRU PRU, and MET MET. 