KOSPI rebounded above the 6,000 mark Wednesday, as SK hynix eased fears that the artificial intelligence (AI) boom is nearing its peak with a forecast of semiconductor shortages through 2030, record earnings and a sweeping shareholder return plan. KOSPI closed at 6,012.44, up 6.63 percent, led by chip heavyweights. The benchmark index opened 2.33 percent higher, triggering a buy-side sidecar at 9:54 a.m. for the second consecutive day. SK hynix rose 10.89 percent to close at 1,487,000 won ($1,110.53), while Samsung Electronics climbed 9.01 percent to 242,000 won. Foreign and institutional investors were net buyers of 815.8 billion won and 960.8 billion won worth of shares, respectively, on KOSPI, while retail investors were net sellers of 1.8 trillion won. Before the market opened Wednesday, SK hynix reported third-quarter revenue of 104.6 trillion won and unveiled a 100 trillion won shareholder return plan. During its earnings call, the chipmaker projected that semiconductor shortages would persist through 2030, saying its DRAM and high-bandwidth memory production capacity is effectively