You can trade stocks by first opening an account with a regulated platform and making a deposit in US dollars, EUROs or other currency. Next, search for Danone stock and choose from a buy or sell order – depending on whether you think the stock asset will rise or fall in value. If you speculated on EPA:BN stocks correctly, you will have made a profit. The size of your trading profit will ultimately be determined by your stake and at what percentage your position grew.