The nVIDIA booth is shown at the E3 2017 Electronic Entertainment Expo in Los Angeles, California, U.S. June 13, 2017. Chip stocks soared to start the year, with the Philadelphia SE Semiconductor index (.SOX) rising over 50% through July. With "some of the names that really have catapulted to the top, now you are starting to question valuations,” Mahn said. Of course, many chip stocks are sitting on substantial gains for the year and this month may only be a temporary setback. “I do believe there are opportunities in semiconductor stocks going forward," Mahn said.

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Persons: Mike Blake, “, Lip, LSEG Datastream, Kevin Mahn, ” Mahn, Taiwan's, chipmaker, Mahn, Lewis Krauskopf, Ira Iosebashvili, Andrea Ricci Organizations: nVIDIA, REUTERS, Nvidia, Philadelphia, Semiconductor, Wealth Management, Hennion, Walsh Asset Management, Reuters, Federal Reserve, Lam Research, Applied, KLA Corp, Arm Holdings, Devices, Broadcom, Thomson Locations: Los Angeles , California, U.S, United States, China, Washington