one should be able to "trade/invest" in a stock that's going...

one should be able to "trade/invest" in a stock that's going either up or down.

a person should be able to buy a stock regardless of the circumstances. if you get it wrong you lose money.

lets take the normal trade away where one buys a stock hoping it goes up and replace it with investing/trading in stocks which are heading south (buy high, sell low).

........