The value of Warren Buffett’s Apple investment just went up by $8 billion in less than a day

The value of Apple stock jumped more than $8 billion on Friday, as Apple stock rose on a strong earnings report.

In the December quarter, Apple posted $124 billion in sales and strong sales growth in every product line except for the iPad. Tim Cook said that supply chain headaches are improving.

According to data from FactSet, Warren Buffet's company started accumulating Apple stock in 2016 and now owns over one billion shares of the company's stock.

Although he initially considered high-flying tech investments to be too risky for his company, Warren Buffet has been one of Apple's biggest supporters. Apple makes up 40% of the portfolio.

Apple issues regular dividends, which is attractive to investors.

I don't think of Apple as a stock. I think of it as our third business, and probably the best business I know in the world.

The argument that Apple is more like a consumer company than a tech company has been made by Warren Buffet.

Cook has praised the investment made by Warren Buffet in Apple. Cook told CNBC that the fact that we have the ultimate long-term investor in the stock is incredible.

The admiration between the two business moguls goes beyond investment. Apple published a game based on the childhood of Warren Buffet at the shareholder meeting in 2019.