Assuming a free market ruled by demand and supply.
If worldwide there are only 100 people trading a specific product which is fixed in supply at a given point in time:
when 1 person buys, while 99 people sell, price will rise or fall?
when 99 people buy, while 1 person sells, and price falls, why?
Imagine you go to a casino to observe the roulette table, if you see that the ball tends to land on Black more often than on Red, do you bet on Black or Red?
If you see a player whichever direction he bets on is wrong, which direction do you bet on will be right?
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