shorting against longs that are losing or buying longs against shorts that are doing badly Mar 26, 17:28
Depends on the price, if it's in the double or triple digits, the commissions will usually eat up any temporary change. {nm} Mar 26, 17:39
sometime i completely flip a position, even if it goes against what I think is best. holding long and short, except for a short time, is a Mar 27, 09:25