韩国股市巨震，存储见顶还是被战争误伤？

Core Viewpoint - The recent volatility in the South Korean stock market, characterized by a dramatic drop followed by a sharp recovery, highlights the fragile balance in the global AI computing power supply chain amid supply chain bottlenecks and cost inflation [4][5]. Group 1: Market Volatility - The KOSPI index experienced a significant decline, losing nearly 20% over two trading days, with a record single-day drop of 12.06% on March 4, marking the largest drop in South Korean stock market history [5][10]. - Following the downturn, the KOSPI index rebounded sharply on March 5, driven by policy stabilization expectations and technical buying, with an intraday increase of up to 12% and a closing surge of 9.6% [5][20]. Group 2: Causes of Market Decline - The direct trigger for the stock market crash was panic selling due to heightened geopolitical tensions in the Middle East, which led to a surge in oil prices and fears of "secondary inflation" [8][10]. - The South Korean stock market, heavily reliant on semiconductor stocks, became a target for capital outflows as foreign investors reacted to the panic, exacerbating the sell-off due to high leverage among retail investors [11][19]. Group 3: Economic Impact - South Korea's energy dependency on the Middle East poses a significant risk, with over 95% of its energy needs imported, leading to concerns about potential supply disruptions due to geopolitical conflicts [22]. - The semiconductor sector, a crucial pillar of the South Korean economy, has seen a substantial increase in exports, with semiconductor exports rising approximately 47% compared to December of the previous year [23][25]. Group 4: Semiconductor Market Dynamics - The semiconductor market is experiencing a significant price increase, with DRAM contract prices doubling year-on-year by February 2026, driven by the demand from AI applications [32][34]. - The supply-demand dynamics in the semiconductor market are critical, as any disruption in supply could lead to further price increases, impacting both the South Korean stock market and the global AI sector [28][36]. Group 5: Future Outlook - Despite current concerns, the systemic risks in the semiconductor market remain manageable, with strong pricing power and profitability expectations continuing to support the sector [34][35]. - The focus for investors is shifting from whether prices will rise to how long and how quickly they will increase, with capital expenditure in AI expected to reach $650 billion by 2026 [35][36].