$POWI and $VECO: Two Semiconductor Names Facing Market Headwinds Both POWI and VECO operate in the semiconductor sector but differ in focus, with POWI emphasizing high-voltage power conversion integrated circuits and VECO providing semiconductor process equipment. Recent market activity shows both stocks trading well below their 52-week highs amid broader sector volatility, with POWI near $49 and VECO near $41 as of mid-September 2026.