KEY POINTS
  • Apple briefly surpassed its previous high of $183.50 Friday.
  • The stock was pushed higher by news that Warren Buffett's Berkshire Hathaway had bought 75 million shares in the first quarter.
  • Apple CEO Tim Cook said the company is "thrilled" to have Buffett and Berkshire as a major investor.

Apple stock closed at a record Friday, surpassing its previous high of $183.50 — pushed up by news that Warren Buffett's Berkshire Hathaway bought 75 million shares in the first quarter.

The stock closed at $183.83, and is now roughly $20 per share short of a $1 trillion market cap.