Berkshire Hathaway’s operating earnings grew sharply in 2024. After a ninth straight quarter of selling stocks, Warren Buffett’s cash hoard is above $334 billion.

Earnings season has 45 companies scheduled. Berkshire Hathaway’s earnings and Warren Buffett’s annual letter are scheduled for the holiday-shortened week.

Berkshire Hathaway’s $267 billion concentrated 38-stock portfolio added one new stock. Warren Buffett was likely a net seller of stocks for the ninth straight quarter.

Earnings growth has been robust, but AI growth didn’t match elevated expectations. President Trump’s threat of reciprocal tariffs should add to market volatility.

Despite supportive earnings, DeepSeek shocked technology stocks. In the busiest week of the earnings season, tariffs and the jobs report could add to market volatility.