Berkshire Hathaway has held shares in many large companies since the company was founded, the operating perfmance seems to have a trend of continuous improvement. This has also affected many invests. The changes in the pt are being watched. used as decision-making infmation by most invests, a platfm f raising funds using high-value stocks in the ptfolio of Warren Edward Buffett's investment on behalf of the company has been created. Berkshire Hathaway allows invests to invest at the risk of losing their initial investment, which will be guaranteed by the company.