Having the same problem on my combined business/personal log in. Before this recent change, the page showed all of my reward points totals in a box on the right side (Ultimate Rewards, Southwest, and Amazon). That is no longer there, and the only way to see point balances is to click on each individual card and look at that card's summary page.
When I log in to my personal-only account (doesn't show my business cards), the point summary box still shows on the right side of the page. So this appears to only affect business log-ins.