SK Hynix is reportedly rejecting multi-billion dollar investment offers from Alphabet, Microsoft, and Meta to maintain its "super supplier" status and avoid exclusive supply obligations for its HBM chips used in Nvidia GPUs. While SK Hynix leverages this demand for better long-term contract terms and a 72% operating margin, sentiment suggests big tech may pivot toward a joint venture with Micron (MU). The report also highlights significant capital expenditures for EUV lithography equipment from ASML to support advanced DRAM production.