Nasdaq chief economist Phil Mackintosh explains the impact of the additions of Zoom and DocuSign to the Nasdaq 100, and tells Alissa Coram how investors have been using a variety of ETFs to profit during this impressive rally. Investor’s Business Daily has been helping people invest smarter results by providing exclusive stock lists, investing data, stock market research, education and the latest financial and business news to help investors make more money in the stock market. Learn more. Get more IBD by subscribing to our channel. Like us on Facebook https://facebook.com/investorsbusinessdaily Follow us on Twitter https://twitter.com/IBDinvestors Follow us on Instagram https://www.instagram.com/investorsbusinessdaily Follow us on StockTwits http://stocktwits.com/InvestorsBusinessDaily Follow Alissa Coram on Twitter @AlissaCoram Follow Alissa Coram on Instagram @AlissaCoram