Friday's session split Big Tech wide open: Amazon gained roughly 15% on its fastest AWS growth in 18 quarters, while Apple erased about $475 billion in market value on soft September guidance. Behind it all, the 30-year Treasury yield climbed to 5.25% — the highest since 2007 — as futures began pricing a possible September rate hike. Here's the full breakdown of the rotation, from record Kospi gains to record-low Bitcoin fund inflows.

South Korea's Kospi crashed 10.8% overnight, halting trading, as a report on China building deep ultraviolet lithography machines sent Samsung and SK Hynix into freefall. Oil posted its biggest one-day drop since April, Bitcoin slipped under $64,000, and the Federal Reserve decides tomorrow. Here's what's driving the global risk-off move.