Wells Fargo prefd yields:
http://spreadsheets.google.com/ccc?hl=en&key=ponCJr8qPdgxWCddvb6DILQ

Portfolio yields:
http://spreadsheets.google.com/ccc?key=ponCJr8qPdgyMgf1AjxIYEQ&hl=en

Watchlist yields:
http://spreadsheets.google.com/ccc?key=ponCJr8qPdgwUgOAS2PqBDQ&hl=en#