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The headquarters of Samsung Electronics in Suwon, Gyeonggi Province. / Photo via Yonhap News

Samsung Electronics, the top-capped stock in the domestic market, breached the 2,000 trillion won market capitalization threshold intraday on June 1. This marks the first time in history that a single South Korean corporation has cleared the 2,000 trillion won milestone.

According to the Korea Exchange, as of 11:44 a.m., Samsung Electronics was trading at 346,500 won, up 9.31 percent from the previous trading day. Propelled by the surging stock price, its market capitalization reached 2,025.7 trillion won, breaking through the 2,000 trillion won line for the first time on record.

Samsung Electronics has extended its winning streak for days, backed by a wave of foreign buying and mounting anticipation over an upturn in the semiconductor cycle following the rapid expansion of global investments in artificial intelligence (AI).

At the same hour, the market capitalization of SK Hynix, the second-largest corporate heavyweight, stood at 1,689.8 trillion won, tracking at approximately 83.4 percent of Samsung Electronics' total market value.

The domestic benchmark index also exhibited stellar gains. As of 1:31 p.m., the Kospi index jumped 373.72 points, or 4.46 percent, from the prior trading day to trade at 8,849.87, clearing the 8,800 threshold for the first time in history.

Earlier, at around 11:30 a.m., the surge in the Kospi 200 futures index triggered a program-buying "sidecar"—a temporary trading halt on program buy orders. As the Kospi advanced well into the 4 percent range, all program buy orders were automatically suspended for five minutes.

                                                                                                             Park Ju-yeon