It's not how many screens you have, it's what you do with them. You cannot look at more than 5 or 6 charts in any one given second anyway. And those fit onto one screen. The trick is to configure your software so that you can jump between charts as fast as you could move your eyes from one monitor to the next.
Ticker tape? I have to pick through the dumpster ouside my broker's building and get day old copies of the WSJ.
Dumpster? WSJ? Day old copy? I have to ride my bicycle 8 miles to the local rubbish dump and then am lucky to find a month old, soggy USA Today.