thanks for those replies but I'm still no clearer on the initial question.
is it more profitable to hold the original cheaper shares, or sell and rebuy more expensive ones using profits from the sale.
thanks
If I bought £1000 worth of ABC shares at £1 each and the price rises to £2.5 I obviously could sell at £2.5 and take £2500
I understand that part...what I don't know is rebuying v's holding on.
If it went up to £3 and then started to fall (but I thought it'd raise back to £3 again) should I...