When it comes to investing, exchange-traded funds (ETFs) are a popular way to gain exposure to a diversified portfolio of securities, including stocks, bonds, and commodities, with the convenience of buying and selling them on an exchange like individual stocks. ETFs are designed to track the performance of an underlying index or asset class and can offer investors low fees, tax efficiency, and flexibility in investment strategies. (Find out more about ETFs and other financial terms through our Finance Glossary.) ETFs allow investors to invest in innovative technology like cybersecurity, clean energy, and cloud computing to blockchain. These thematic ETFs are a great way for you to ride the wave of the hottest trends carrying the entire sector, instead of trying to pick a  winner in the industry. Ahead, we discuss the pros and cons of thematic investing, as well as 5 thematic ETFs in the market’s trending industries. What Exactly Is A Thematic ETF?...