Persistent inflation, rising interest rates, and ongoing supply chain issues have all contributed to the sector's latest woes, while also causing investors to sour on their stocks. Ford and GM, which dominate the U.S. market with a combined $302 billion in 2022 revenue, carry operating margins that averaged 7.5% and 4.7%, respectively, over the past decade. Looking at the valuation Since being spun off from its previous parent company, Fiat Chrysler (now part of Stellantis), in late 2015, Ferrari's stock price has climbed 377% (as of this writing).