TradingKey – In pre-market trading on Tuesday, Micron Technology ( MU) shares fell over 5%, dragged down by sharp declines in the stock prices of South Korean memory giants Samsung Electronics and SK Hynix.

Source: TradingView

The trigger for this sector correction was Samsung Electronics’ second-quarter earnings guidance, which far exceeded expectations—yet despite a staggering 19-fold year-on-year surge in operating profit, it failed to reverse the market’s “sell the news” momentum.

Samsung Electronics announced that its operating profit for the April-June period is expected to reach 89.4 trillion won (approximately $58.44 billion), far higher than the 4.7 trillion won in the same period last year and beating the 87.3 trillion won…