Why would I press the "trade"button

In 3 conditions
1,When the strong fundamental stock in spot light have at least 30% price correction from the historical high and the trade volume in green and price starting to move upward.

2,When the stock in historical low (weak fundamental stock) trade volume in green and price starting moving upward in slow pace (short term trading)

3,When the stock is keeping moving upward from a low price which in futuristic demanding industry.