Berkshie Hathaway shifts strategy - stock selling, bond buying and bold bets in AI and energy. Berkshire signals preparation for the market downturn.

Warren Buffett's Berkshire Hathaway has acquired 5 million shares in UnitedHealth Group , a regulatory filing showed on Thursday, sending the health insurer's stock up 7% in extended trading.

What Happened: The undisclosed investments of Berkshire Hathaway have been made public. The company has reportedly invested in steelmaker Nucor NUE +1.07% Get Free Report , homebuilders D.R. Horton DHI +1.30% Get Free Report and Lennar LEN +1.56% Get Free Report , with the total investments amounting to $1.8 billion.

Another reason for the small rise in the share count over the decades is that Buffett refuses to issue stock options, restricted stock or any other stock compensation to employees or directors. He has never done so. Everyone at Berkshire gets paid in cash.

Warren Buffett is helping revive shares of beleaguered UnitedHealthcare Group after taking a $1.6 billion stake in the company, according to filings with the Securities and Exchange Commission. UnitedHealth shares clocked the largest one-day percent increase since March 2020,