Hover any ticker to pop up its price chart instantly, so you can scan a whole list fast.
When you are scanning the Screener, Movers, or one of your Lists, you do not have to open each stock to see its chart. Hover the ticker and a mini chart pops up right there.
It is on by default. To change it, go to Settings -> Chart -> Chart peek.
Reading a list of names tells you a lot, but the chart tells you the rest. Hovering lets you triage a long list in seconds and only open the ones worth a closer look.