Korea's benchmark KOSPI closed nearly 1 percent higher Monday after a choppy session, as semiconductor stocks remained volatile following the Shanghai debut of China's ChangXin Memory Technologies (CXMT). KOSPI ended at 6,755.75, up 0.97 percent from the previous session, according to the Korean Exchange. The index opened at 6,806.27 before falling to as low as 6,557.39 during the session, but recovered in afternoon trading. Foreign investors were net sellers of 2.89 trillion won ($1.97 billion), while retail and institutional investors were net buyers of 1.98 trillion won and 862.4 billion won, respectively. Market bellwethers ended higher, with Samsung Electronics rising 1.8 percent to 254,000 won and SK hynix gaining 3.41 percent to 1.816 million won. Notably, shares of Naver surged 8.43 percent to close at 225,000 won after Nvidia announced earlier in the day that it would acquire a 4.5 percent stake in the company through a $1 billion strategic investment. Investors welcomed a $950 billion Korea-U.S. artificial intelligence (AI)-related partnership announced on Saturday during Presid