Well, it's easier to predict if the market is still relatively new. But even with a new market, you might overlook a factor, that's certainly true.
Even so, it's better to put some effort in trying to look up all the relevant factors, instead of just assuming that it cannot be predicted. Atleast that way, you will be more paranoid. If you are more paranoid, you are less likely to sacrifice all your savings at the altar of greed.
Want DP delivered to your inbox daily? Subscribe here: