ok in the items DB it says:- 30 Days: +30.4% 90 Days: +124.8% does that mean in 30 days this item will have risen in price by 30.4% and in 90 days it will rise to 124.8%? or does it mean that in 30 days its risen by 30.4% and over 90 days it has risen 124.8%? its puzzled me for a while >_>