Micron’s fiscal quarters end in August, November, February and May, so it reports real DRAM/NAND numbers weeks before Samsung Electronics and SK Hynix. Here is how to read its bit-shipment guidance, HBM commentary, inventory days and capex as direct inputs into the next morning’s Samsung Electronics and SK Hynix open in Seoul.
Rising US 10-year Treasury yields hit Korean stocks through three channels: a higher global discount rate that compresses Samsung and SK Hynix valuations, a wider US-Korea rate gap that lifts USD/KRW, and foreign selling on the KRX. Here is how each channel works, which thresholds matter, and how to read the daily foreign-flow print step by step.
Korean chip stocks can fall the morning after an Nvidia beat because the move was pre-positioned: the reaction runs through the after-hours print, guidance, overnight US futures and after-hours moves in other chip names before the 09:00 Seoul open. Here is the full transmission chain, with a worked example reading real August 2026 foreign-flow data into a purely hypothetical earnings night — heavy selling that fades to near flat, a de-risking backdrop whose post-result implications can cut more than one way.
DRAM spot prices historically turn one to two quarters before Samsung Electronics and SK Hynix earnings inflect — and those two stocks drive the KOSPI. Here is where to find the DXI index, DRAMeXchange spot quotes, and hyperscaler capex guidance, and how to read a cycle turn step by step.
Samsung just reported an 89.4 trillion won quarterly operating profit – the largest in corporate history – and the stock crashed anyway. The KOSPI closed at 7,246.79 on July 8, down 20.5% in twelve trading days. Here is what the data actually says about Korea’s July 2026 selloff.