Twitter is changing quickly and is rolling out many new things. Adding new stock pricing info to cash tag searches is one of them.
Yes, the cashtag is similar to $Meta. You can tap the tag link to get a pricing graph for that stock. It will display above any tweets that also include the tag.
As noted by an app researcher named Jane Manchun Wong, The pricing info is sourced via TradingView. It gives you an ‘up to minute overview of the current stock price.
No one can imagine stock traders pushing to get this info added on Twitter. Moreover, it does add some interesting context to the surrounding tweet discussion.
It is interesting, but Twitter has added it at an odd time. You will get updated with new developments about Twitter. So stay tuned!