The Dow Jones Industrial Average ended nearly flat on Friday after hitting a record high in morning action — riding a wave of market optimism and a timely push from the “Oracle of Omaha.”

Buffett owned UnitedHealth shares before selling his stake in 2010, though his Berkshire Hathaway recently acquired shares.

Futures for the Dow Jones Industrial Average and other major stock indexes traded sharply mixed Friday as Wall Street reacted to the U.S. retail sales report. Meanwhile, UnitedHealth GroupUNH soared on the stock market today after famed investor Warren Buffett disclosed a new position.