It is best to wait for a sign of a turn-around, to buy new shares, IMO. If there is momentum down...youo will lose what you put in immediately When momentum turns UP, then that is a sign to buy, IMO...of course, unless you want to gamble on throwing it all away for the fun of it. Averaging down?
This always true Chaos..Anyone thats been playing the market for awhile can tell you that if a stock breaks its previous 52week low that is a bad sign..