Just received following email in my yahoo inbox.
Dear Yahoo! Alerts user,
Thank you for using the Market Summary Alerts service.
Please note that we will shut down this service on April 17th, 2009.
As a result, you will stop receiving email/IM/SMS messages after April 17th for this service.
We apologize for any inconvenience caused.
Yahoo! Alerts Team
It seems they are shutting down Market Summary Alerts service.
What do you think?