These advanced tools include a performance risk tool which lets you figure out what will happen to your portfolio based on movement in an individual stock or options trade, or for your entire portfolio. After all, while stocks and other investments can go up, they can also go down. On the flip side, the app usually works slowly. It would better if you could filter companies based on their industry, capitalization, price level, etc. Fees are slightly higher than average, and there is a trading frequency requirement to qualify for lower commissions. Interactive chart with technical indicators Watchlist Trading ideas Trading forum. Personal Finance.