Technology stocks were steady premarket Friday, with the SPDR S&P Semiconductor ETF (XSD) inactive and The Technology Select Sector SPDR Fund (XLK) marginally advancing.

Cohu (COHU) shares were more than 3% lower after the company reported a swing to Q4 non-GAAP net loss as revenue fell during the period.

PDF Solutions (PDFS) stock was down past 5% even after the company posted higher Q4 non-GAAP earnings and revenue.

Yelp (YELP) shares were up more than 1% after the company reported higher Q4 earnings and revenue.