These innovative companies are building the future.Investing in well-chosen growth stocks can help patient shareholders build lasting wealth for retirement. As the new year begins, companies that benefit from artificial intelligence (AI) are among the most attractive opportunities in the stock market.Adding the following growth stocks to your portfolio could be the best move you make to start the new year. 1. NvidiaNvidia (NVDA 0.35%) has returned a mind-boggling 458,000% since its initial public offering i ...