Tons always have. Look up the valuation of Macy's real estate; it is about 2x the market cap. Even adjusting for the full EV value its at a discount. They would realize more value by shutting down the retail business and selling off the real estate. But investors feel the chances of that happening are slim to none which leads to the low valuation. Yahoo is a tech company but revenue, growth rates, net income and free cash flow are common to all companies.