Samsung Electronics shareholders are growing increasingly uneasy as the company’s labor union moves toward a general strike Friday. They fear that production disruptions could weigh on the tech giant’s stock. The prospect of labor unrest at the world’s largest memory chipmaker is unsettling for many, as even a temporary disruption could hurt production and dampen investor sentiment. The concerns come as the benchmark KOSPI has been rocked by sharp swings following geopolitical tensions in the Middle East, leaving retail investors particularly sensitive to negative news surrounding blue-chip stocks. Investors criticized the union’s move as poorly timed, given the market turmoil. “The domestic stock market is already plunging because of the Iran situation, and a strike by Samsung unions would be like holding shareholders hostage to pressure the company,” said one investor who holds Samsung shares. “Both sides should reach an amicable agreement as soon as possible.” Others worry that the mere prospect of a strike could add volatility to the stock, even if the walkout ultimately