Lots of nice looking designs, but they can't get past the gate because the curves are too stylized. Could represent anything - airlines, truckers, you name it. check out this link to see some examples of what i consider a financial curve to look like
http://images.google.com/images?hl=en&rlz=1C1GGLS_enUS291US304&um=1&sa=1&q=probability+distribution&aq=3&oq=probab&aqi=g10&start=0Obviously they are ugly, but a stylized line (of the right sort of shape) is going to feel more like finance than a brush stroke.