Yahoo finance graph timescales not working

Hello Invest-a-stock, 

Ensuring your Yahoo Finance app is working as expected is important, and Apple Support Communities is a great place for help! With this being specific to the Yahoo Finance app there is a possibility that it may lead to you contacting them for additional support. If it leads there you can find their contact information online using the following link.

Before reaching out to them try the steps outlined in the article below. While the title of the article outlines a different issue these steps can help with many app related concerns. 

If an app on your iPhone or iPad stops responding, closes unexpectedly, or won't open

Have a great day!