Having Big capital supercede investors with small capital that might not be sufficient if the market goes contrary to one's trade or investment. Big capital absorbs market sentiment and market fall. This is the advantage of the whales against smaller investors who are in the market, making the change in trend to claim all their funds because the size if their accounts can not absorb the contrary moves.

It's very hard for accounts with large funds to make contact loses compared to the one with little funds that might not survive a little change in market trend. Small capital is the major problem of some investors making it look as if they are not good at analyzing the, creating consistent loses due to small differences in price of an instrument, creating inevitable loses.