Buying stocks can lead to more wealth. Your money will work for you and push you closer toward meaningful financial goals. However, you have to invest in the right stocks to increase your chances of success.Corporations with rising revenue and profit margins look promising. These companies also need to have competitive advantages and plenty of runway in addition to having strong financials. These three stocks to buy exhibit those characteristics and can bring your portfolio higher.Nvidia (NVDA)Source: Piotr ...