Exchange-traded fund (ETF) are Open Ended investment companies that can be traded at any time throughout the course of the day in the stockmarket. Typically, ETF try to replicate a stock market index or a market sector. The most actively traded equity security in the world is an ETF and the ticker is QQQQ and it replicates the Nasdaq-100 Index.
Traditional investors live day to day the price activity of their favorite stocks. When those companies have a down day their emotions have a down day too. When playing ETF inherent company value receives little focus and that allows you to own a sector ETF that is up even if your favorite stock in that sector is down. ETF help people to avoid falling short of their long-term goals and at the same time easy diversify their portfolio.
DIF allows you now to trade the following ETF.