Tech stocks were mixed in Tuesday afternoon trading, with the Technology Select Sector SPDR Fund (XLK) up 0.3% and the SPDR S&P Semiconductor ETF (XSD) shedding 0.6%.

The Philadelphia Semiconductor index fell 1.5%.

In corporate news, Semtech (SMTC) shares jumped past 19% after the company posted fiscal Q3 non-GAAP earnings, net sales, and fiscal Q4 non-GAAP EPS guidance that topped consensus estimates.

Qualcomm's (QCOM) takeover interest in Intel is cooling due to complexities related to the potential deal, Bloomberg reported late Monday. Intel shares fell 3.1%, while Qualcomm was down 0.9%.

Nano Dimension (NNDM) shareholder Murchinson said Tuesday that all three independent proxy advisory firms have recommended that shareholders support board changes at the annual meeting of shareholders on Dec. 6. Nano Dimension shares dropped 2.9%.