Watch out, Elon, Warren is catching up. With the drop in shares of


Tesla


this year, the market value of


Berkshire Hathaway


is hot on the heels of the electric-vehicle leader.

Berkshire, led by longtime CEO Warren Buffett, is demonstrating its defensive attributes in a bear market, with its class A shares up 0.3% this year, against an 18% fall in the


S&P 500


Tesla stock is off some 35%, reflecting disappointment on vehicle deliveries and a pullback in growth stocks; CEO Elon Musk’s pursuit of


Twitter


hasn’t helped.