Thank you for
reaching out on the community and telling us about your issue. I do apologize for the issue you're having. I'm wondering what might be causing it to not update here. Have you recently updated the program? I'm wondering if we bring in a bit of a backup from prior to the issueif we'd have the same issue. In the article down below it'll show us how to restore a backup. https://www.quicken.com/support/how-backup-or-restore-your-quicken-data
Once you've got the backup open try to update your investments and see if the prices are updating properly. Let us know how it goes!