These companies have enough opportunities to multiply your investment.The S&P 500 has delivered outstanding returns over the last year and is currently up around 23%. However, the index has returned an average annual return of about 10% going back decades, so if you want to find market-beating stocks, you need to look for companies that can sustain high double-digit growth for several years.The artificial intelligence (AI) market is a promising field to look for growth stocks. Statista estimates spending on ...