Buffett's Move Gives Big Boost to UnitedHealth

S&P 500 loses ground on Friday but gains for the week
By Newser Editors and Wire Services
Posted Aug 15, 2025 3:21 PM CDT
Buffett's Move Gives Big Boost to UnitedHealth
Traders Robert Charmak, left, and Fred Demarco work on the floor of the New York Stock Exchange, Friday, Aug. 15, 2025.   (AP Photo/Richard Drew)

US stocks edged back from their records on Friday, led by drops for technology companies, but Wall Street still closed out another winning week, per the AP:

  • The Dow rose 34 points, or 0.08%, to 44,946 for the day. The index rose about 1.7% over the week, per CNBC. At one point on Friday, the Dow reached an all-time high before retreating.
  • The S&P 500 fell 18 points, or 0.2%, to 6,449. It was up nearly 1% for the week.
  • The Nasdaq fell 87 points, or 0.4%, to 21,622. The tech-centric index also was up nearly 1% for the week.

Of note on Friday: UnitedHealth Group jumped 13% after famed investor Warren Buffett's Berkshire Hathaway said it bought nearly 5 million shares of the insurer during the spring, valued at $1.57 billion. Buffett is known for trying to buy good stocks at affordable prices, and UnitedHealth's halved for the year by the end of July because of a run of struggles. Berkshire Hathaway's own stock slipped 0.3%.

Applied Materials helped lead Wall Street lower with a drop of 13.9% even though it reported better results for the latest quarter than analysts expected. The focus was on the company's forecast for a drop in revenue during the current quarter. Sandisk fell 4.6% despite reporting a profit for the latest quarter that blew past analysts' expectations. Investors focused instead on the data storage company's forecast for profit in the current quarter, which came up short of Wall Street's.

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