A few little pieces of script for following stocks.  Nothing fancy, but fast info with no ads, logins, memberships, emails, etc.
 
     In each case, save a copy to your local machine, open it up in any editor to add / remove stocks ( instructions inside ), save that file to your local machine, and run it from there ( not from this website )
 
Yearly and daily charts for a portfolio
 
Yearly charts for a portfolio