A big company called Morgan Stanley changed their opinion about two steel companies, US Steel and Cleveland-Cliffs. They think they are not as good as before. A steel plant owned by Cleveland-Cliffs will stop working for a while because of some problems with taxes. Some important people who work for other mining companies bought more shares in those companies. Read from source...

1. The first paragraph is too vague and does not provide any specific details about the downgrades or upgrades made by Morgan Stanley. It would be more informative to include the reasons behind these changes and how they affect the performance of the companies involved.