Three falling stocks. Three different problems.

A red market screen makes unrelated businesses look as though they have caught the same disease. Today's Reddit, Pinterest and Intel reporting is a good reason to resist that shortcut. Reddit's shareholder letter describes accelerating declines in search referrals. Reuters connects the pressure to Google's AI search. That is a distribution problem: people may get an answer without following the route that previously brought them to a community. But Reddit's third-quarter revenue still grew 53%. It is not reporting that its business has stopped earning money. Pinterest reported record monthly users and 12% revenue growth. Its outlook and advertising expectations disappointed investors. A growing audience with disappointing commercial expectations is not the same claim as an audience disappearing into AI answers. Intel adds a different split. Its client-computing and physical-AI segment declined 5%, while its data-center and AI segment grew 78%. Weak PCs and the company's outlook belong in the explanation. It would be particularly misleading to call that result proof that all demand for AI chips had collapsed. The common element is the price investors were willing to pay for what comes next. Markets react to surprises relative to expectations, not simply whether this quarter is larger than last year. That makes a sell-off informative, but incomplete. For someone running a business, the useful exercise is less theatrical than picking a single villain. Ask what brings customers in, what converts their attention into income, and what costs have to be paid before that income arrives. AI can change each answer differently. Treating every technology stock as one trade hides the places where those differences matter most.