Stock market window
[1] Listed shares
This list displays details on the shares for all listed companies. You can see the trend icon, the current value, last value and also the number of shares you own, along with the total value of your shares.

[2] Selected share
Displays details on the share selected in the above list. On the right you get some details like the company's primary business, your stock count, and a list of transactions. This is a rather important list, as it allows you to check at what price you bought the stocks. So before selling them you can always check here on wether it's worth selling them or keeping them.
To the right you can see share history, with it's average worth and the hightes and lowest values. Use this as an indicator on wether to buy, sell or keep shares.