Your comments

In edit transaction you can filter using a checkbox - you can clear active or inactive stocks, as well as check or uncheck all the tickers in your portfolio.

I see what you mean :) Dragging the mouse or just inputting the dates seems to be the easiest way for the UI right now. Do you have a suggestion for a better UI? 

Hi Tobias. What do you mean by BEST PERFORMING STOCK list? Please clarify.