Amkor Technology stock fell 10.79% on October 22, 2026, significantly underperforming the S&P 500's 1.21% decline. The chip packaging and test services provider has lost 17.99% over the past month.
Despite the recent weakness, analysts expect strong earnings growth of 54.9% year-over-year with Q3 EPS of $0.79 and full-year EPS of $2.60. The stock trades at a Forward P/E of 16.8, below its industry average of 33.5, and carries a Zacks Rank of #3 (Hold).