WASHINGTON--(BUSINESS WIRE)--The Financial Industry Regulatory Authority (FINRA) issued a new Investor Alert called Smart Beta—What You Need to Know. FINRA is publishing this alert to educate investors about financial products, primarily ETFs, which are linked to and seek to track the performance of alternatively weighted indices commonly referred to as “smart beta” indices. Some widely known indices, including as the S&P 500, NASDAQ 100 and Russell 2000, use a company’s market capitalizati