[cells-devel] Re: Dow-Cells

[GP lisper]

   Date: Fri, 06 May 2005 01:30:39 -0400
   From: Kenny Tilton <ktilton at nyc.rr.com>

   >(defmodel ticker (model)
   >  ((ticker-sym :cell nil :initarg :ticker-sym :reader ticker-sym)
   >   >   ;; not a cell because I forgot that issues can change their ticker symbols <--Kenny
   >   ;; Not during a trading day. Because of 23.75 hour trading days, symbol changes
   >   ;;  only occur on Friday afternoons.  The index basket setup on Sunday is valid
   >   ;;  thru the week.  So should it be a cell then?
   >
   Your call. Simple issue: will a stock change symbol during the run of 
   the application?

No. Especially no in this tutorial code.  If I understand correctly,
then there is no need to make this a cell.

Ron