Power Integrations Inc. (NASDAQ:POWI) ranks among the best cheap semiconductor stocks to buy. Benchmark maintained its Buy rating and $55 price target for Power Integrations Inc. (NASDAQ:POWI) on September 23, following the disclosure of a key management departure. According to the company’s reports, Chief Financial Officer Sandeep Nayyar will leave his role on October 4 to take over as CFO at Altera. As a result, Eric Verity, senior director of finance, will serve as interim CFO while Power Integrations ...