05-10-2008 08:30 AM
05-10-2008 09:10 AM
05-10-2008 09:45 AM
05-10-2008 10:32 AM
I've noticed AMEX typically updates at the end of the month, using the previous statement's balance and CL.
I've seen others concur, and this is definitely what happened for me.
BOA however, sends out special updates on CLs.