A typical Stock Exchange window is shown above. Your Cash reserves and free hold capacity are displayed at the top of the screen and below these appears a list of the available Stock.

The number in the centre of the ‘Red Rectangle’ indicates the quantity of stock that is currently within your ships Cargo bay. Clicking the arrows to the left allows this stock to be sold whereas those on the right will issue an instruction to purchase more. The inner arrows will buy/sell one item, the centre arrows will buy/sell ten items and the outer ones will buy/sell one hundred items. The cost and the quantity of the stock held at the Space Port are tabulated on the right-hand side.