How to pick stock?

[holten]

I had heard some trader said trading in currencies is hard as trading in stock. Trading in currency will always loss but trading stock will not. Its it true that trading currency is hard as trading in stock? If i wanna to trading in stock market, do i need to open a new trading account? How to open a stock trading account? Which stock i need to choose? There are many stock that i dont know which one is the most profitable stock. How to pick stock?

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