Finance

KOSPI reclaims 8,100 as foreigners turn net buyers for first time in 24 sessions

South Korea\'s KOSPI rose more than 4 percent on June 12 to reclaim the 8,100 level, supported by gains in U.S. stocks and strength in semiconductor shares. Foreign investors turned net buyers for the first time in 24 sessions since May 7, while institutions also bought. The Kosdaq climbed more than 3 percent to finish above 1,000. The won weakened slightly against the dollar.

AI & Enterprise

KISA begins testing OpenAI\'s GPT-5.5 Cyber as Mythos access nears

South Korea has begun testing an AI cybersecurity frontier model to set the government\'s response direction to AI security threats and apply results to industry. The Korea Internet & Security Agency (KISA) under the Ministry of Science and ICT has entered tests of OpenAI\'s \'GPT-5.5 Cyber\'. KISA is verifying whether the model can be used to identify and respond to threats and may expand use to software and infrastructure checks. KISA is also moving to secure access to Anthropic\'s Mythos model.