Under your portfolio holdings details, you can see the real-time profit and loss status of each of the stocks that you own.
You may also wish to click on the stock from your portfolio holdings page, where you can find more information regarding your holdings and also all your order relating to that specific stock.
How can I view my cash balance?
You can view the 'Buying power' section within Brokerage, which indicates your cash balance aggregated across currencies.