Stock game
Companies need investors, so they open their capital to shareholders. You will be able to participate in fundraising, as well as buy or sell shares on the market.
You will therefore have to place stock market orders to buy or sell. Thus, you will pocket your profits which will make your portfolio grow.
Beyond the capital gains realized on resale, you will also have the possibility of receiving dividends. This will allow you to invest again. As a shareholder, you have the possibility to vote for the change of a CEO or for the payment of dividends. Becoming a majority shareholder is a significant advantage. You also have the ability to decide on the end of a company's activity in order to take your earnings or pay off debts.
To succeed, you will have to be on the right track, you will have to build your network and be close to those who succeed.