Performance of the QQQ ETF Since 2000 Peak Lastly, let's look at the return on $1,000 invested in the QQQ ETF at its March 2000 peak. Here is a look at real (inflation-adjusted) charts of the S&P 500, Dow 30, and Nasdaq composite since their 2000 highs. When adjusted for inflation, the real month-over-month changes for each index become -4.0% for the Dow 30, -0.3% for the S&P 500, and 0.5% for the Nasdaq.