1. Class action lawsuit filed against Monolithic Power Systems for alleged securities violations. 2. Lawsuit claims poor product performance damaged Monolithic's relationship with Nvidia. 3. Financial results showed a 13% revenue miss, causing stock price drop over 17%. 4. Nvidia canceled orders due to performance issues, impacting Monolithic's market position. 5. Robbins Geller law firm is experienced in prosecuting such securities fraud cases.