Wolfspeed (WOLF) surged to the upside after avoiding Chapter 11 bankruptcy. Diane King Hall talks about the stock's volatile history and how A.I. hopes added to the company's stunning rally. Goldman Sachs tuned down its bullishness on Spotify (SPOT) through a downgrade from buy to neutral. Diane notes a similar analyst move seen in Oklo Inc. (OKLO) from BofA.