QQQ, which tracks the NASDAQ, has a rare broadening pattern, which at tops are very bearish. It's a violent tug-of-war between the bulls and bears. And the bears tend to win these patterns when they appear at tops of uptrends.
Click on the chart to enlarge this hourly, 20-day chart. The pattern has unfolded over the last 8 trading sessions or so.
So buyers and sellers are fighting it out...would that be mostly traders or large institutions?