Berkshire Hathaway heads for 10th consecutive winning day. What's driving the stock

Berkshire Hathaway’s Class A shares are on track for a 10th straight day of gains, a run not seen since January 2018. The stock hit an intraday high of $786,000 on Tuesday—its best level since Aug. 11—and is up more than 5% since the streak began. The rally comes amid broader market volatility tied to elevated oil prices and persistent inflation. Investors are also weighing potential tailwinds under CEO Greg Abel, who took over in January, as Warren Buffett stepped down as chairman on Sept. 18 and became chairman emeritus.