Why Monolithic Power Systems Stock Popped After Earnings

Shares of Monolithic Power Systems (MPWR 16.11%), a specialist in manufacturing integrated circuits for controlling power systems, surged 17.2% through 10:55 a.m. ET Thursday morning, after the company beat expectations for fourth-quarter earnings last night.Heading into its Q4 report, analysts had forecast the semiconductor company would earn $2.85 per share on sales of $452 million. In fact, Monolithic earned $2.88 per share on sales of $454 million -- a small beat to be sure, but still a beat. Monolithic ...