Today on Closelook

1. 1 Korea overnight — the giveback test Context

   What

   Seoul gave back part of Friday's record session: the KOSPI closed down 5.2% at 6,252, with Samsung off 8.4% and SK Hynix down 7.6% after both had risen a quarter or more on Friday.

   If

   The KOSPI holds the low-6,200s and the two chip names stabilise into Tuesday.

   Why

   A partial giveback after a record short-covering day is normal digestion; a full unwind would say Friday was a bull trap, not a base.

   Then

   Read it against US semis today — the floor SOXX reclaimed near 505 last week is the level that has to hold on this side of the Pacific.

2. 2 Yen — joint intervention confirmed Context

   What

   Washington and Tokyo confirmed they intervened jointly last week — reported at more than 8 trillion yen from Japan plus US Treasury yen-buying via the New York Fed — and the dollar fell from 40-year highs near 164 to the mid-155s, trading around 156.4 by Tokyo afternoon.

   If

   USDJPY keeps sliding as both governments warn they are ready to step in again.

   Why

   A forcibly stronger yen raises the cost of the carry funding beneath global risk assets — the question of what finances the AI trade, expressed in FX.

   Then

   The Nikkei already paid part of the bill, closing down 1.1% on exporter weakness; watch whether US rates and gold pick up the theme today.

3. 3 Oil — a five-percent break on de-escalation Context

   What

   Crude broke hard overnight: WTI fell 4.9% to $79.76 and Brent lost 5% to $83.50 after Washington signalled it would refrain from striking Iran.

   If

   The move holds through this afternoon's ISM prices read.

   Why

   A five-percent one-day fall in oil is a direct disinflation impulse, arriving exactly as the market debates whether hot input prices block the rate path.

   Then

   Energy-sector leadership and the ISM Prices Paid sub-index become the same trade today.

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