In the latest market close, Amkor Technology (AMKR) reached $42.12, with a +0.43% movement compared to the previous day. The stock's performance was behind the S&P 500's daily gain of 0.55%. Elsewhere, the Dow gained 0.62%, while the tech-heavy Nasdaq added 0.63%.Heading into today, shares of the chip packaging and test services provider had gained 19.56% over the past month, outpacing the Computer and Technology sector's gain of 5.73% and the S&P 500's gain of 4.28% in that time.The investment community wi ...