@OP
The stock price was up last week (peaked on 10/07 to almost 294, but down today to 277, so about 21 bucks down since the peak). The effect of the Anthropic "messaging exercise" didn't last for too long.
The market was doing fine today. AK may need more than a messaging trick or two to keep things going for the 10/22 call? If software revenue is down or shows soft(er) signs of growth, "Watson, we have a problem" (pun intended)
Correct me if I'm wrong or you don't agree, but a drop before the call is challenging, because they may have tried to get the stock as high as possible so that there's more room for correction based on results.