Can't update portfolios April 30, 2019
Unable to do ANY maintenance on my portfolios
69th
ranked

Use these steps, starting with #1, then check if your problem is resolved before moving to the next step:
https://help.yahoo.com/kb/finance-for-web/fix-problems-yahoo-website-isnt-working-sln2891.html?impressions=true
If the issues continue after that, please reach out to finance.support@verizonmedia.com.
Regards,
Yahoo Finance