By | August 08 2012 11:22 AM

Shares of Peregrine Semiconductor Corp. (Nasdaq: PSMI) jumped 7 percent to $15 a share as they started trading the first time as a public company. Peregrine becomes the third technology initial public offering in a month to rise at the opening of trade, jn contrast to the May 18 IPO of Facebook (Nasdaq: FB), the No. 1 social networking site.