Posted by Leissa on .
A trader bought a stock for $20 then sold it for $30. He bought it back for $38 and then sold it again for $48. How much did he gain or lose on these transactions?
$10 gain?

Fundamentals 
MattsRiceBowl,
First time was $10. Second time was $10. If you gain $10 two times, how much did you make?