You can get rich by stealing pennies, if you steal them from enough people. It is still wrong, even if no individual lost enough to care about going after you.
If enough people try profiting by stealling pennies, the cumulative losses are significant; and can threaten confidence in and the strenght of the market.
If enough people try profiting by stealling pennies, the cumulative losses are significant; and can threaten confidence in and the strenght of the market.