Tesla CEO Elon Musk's "polarizing and partisan actions" may have cost the EV maker over 1 million U.S. car sales, Yale researchers find in a new paper. Why it matters: It puts huge numbers around what auto analysts and pollsters have directionally believed about the business effect of Musk's political arc.

Europe faces a critical economic check-up this week, with key corporate earnings and the ECB’s latest monetary policy decision in focus.