It is a civil lawsuit and it sure is material as far as quantifying damages is concerned. But why speculate when we can just wait and see the outcome.

Again, I agree that your post above might serve as an avenue to claim some damages that a judge would agree to, but to say stock price today is immaterial is just plain wrong. If the stock price had dropped to $100 today, it would have been likely that all shareholders could make a valid argument to a claim, but now at the very least one has to demonstrate that they were a shareholder at the time of the tweet, and they have taken a certain action that hurt them based on that tweet.