Nov 19th.. 2003.. I remember it like it was yesterday (or no more than a coupla yrs ago)
PTSC:
open .44
close .47
high .48
low .0045 (misplaced decimal I'd guess, but...)
http://bigcharts.marketwatch.com/historical/default.asp?detect=1&symbol=ptsc&close_date=11%2F19%2F03&x=37&y=20
http://www.ptsc.com/investors/stockinfo.asp?qm_page=24879
fwiw.. regards