There are growth opportunities across every sector of the market if you know where to look.The Nasdaq-100 is the 100 largest nonfinancial companies by market cap in the Nasdaq Composite. Exchange-traded funds (ETFs) like the low-cost Invesco QQQ with $248 billion in net assets have helped make the Nasdaq-100 a mainstream way to invest in a diversified portfolio of growth-focused companies.The Nasdaq-100 has consistently outperformed the Nasdaq Composite and the S&P 500, largely thanks to the dominance of me ...