ATI ▼ -5.2% - ATI Inc. $ATI - ATI CEO to speak at Morgan Stanley 14th Annual Laguna Conference ATI shares fell 5.2% today despite the company announcing that its CEO will speak at Morgan Stanley's 14th Annual Laguna Conference. The conference appearance alone would not typically trigger a decline, suggesting the market may be reacting to other news or broader sector weakness rather than the speaking engagement itself. 14-SEP-2026 05:51 PM ET