South Korea's SK Hynix to invest $75 billion by 2028 in AI, chips

- SK Hynix plans to invest $75 billion by 2028 in AI and chips - SK Group to secure 80 trillion won by 2026 for AI and semiconductors - SK Group plans to streamline its subsidiaries - SK Innovation may pursue a merger with SK E&S - Goal to reach 40 trillion won in profit before tax by 2026 - South Korea aims to keep up in chip design and manufacturing with a support package - SK Hynix is the world's second-largest memory chip maker - Samsung Electronics is one of South Korea's top memory chip makers