The current layout would look good on mobile but not for desktop/web.
Maybe you could fit both screens alongside each other

The colors of the fonts made them hard to read with that of their tabs. I'm not very knowledgeable on the workings of the stock market so the UI made it even more daunting for me.

But I really loved the music(watching stocks rise and fall to chill music was something I never thought I'd enjoy so much) and though you exceeded the time limit I'm just really impressed you put this thing together! Good job mate! :)