The numbers that jumped and why they matter
South Korea's export engine kept humming in October. The trade ministry reported working-day adjusted growth of 76.1% from a year earlier, with total shipments at $115.3 billion. Without adjusting for the calendar, exports were up 93.7%.
September set a record at $121.1 billion, and that month's export growth was revised to 83.7%. In October, imports increased 36%, leaving a $42.5 billion surplus.
Chips powered the gains. Semiconductor exports soared 259% to $56.4 billion. Computers shot up 497%, while petroleum products and automobiles advanced 80% and 18%.
Exports were broad based by destination too. Calendar effects mattered because Chuseok occurred in September this year and in October last year, making working-day adjustments the cleaner gauge of momentum.
Markets flinch as AI enthusiasm gets tested
All of this landed just after a rough patch for global tech. Disappointing results and guidance from Amazon.com Inc. and Intel Corp. revived doubts about whether heavy outlays for data centers and other AI infrastructure can deliver quick returns.
That caution hit Asia on Friday. A Bloomberg measure of regional chipmakers dropped as much as 4.8%, while South Korea's Kospi slid 3.5%. SK Hynix fell 7% and Samsung Electronics declined 3%.
Ironically, the selloff followed upbeat local news. Earlier in the week, SK Hynix posted a sevenfold jump in quarterly profit, and Samsung said it plans to boost capital spending by over 60% this year, with supply still trailing demand for advanced chips.
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Policy watch: rates, inflation, and a trillion-dollar milestone
The sustained export strength strengthens the argument for the Bank of Korea to weigh a hike this month, following an October pause to evaluate the effects of the July and August increases. Fresh inflation data due Tuesday will be another key input ahead of the Nov. 26 decision.
BOK Governor Shin Hyun Song said the export surge is positioning South Korea to exceed annual shipments of $1 trillion for the first time this year. The trade ministry noted that would put the country fourth to the mark after the US, China, and Germany.
Shin also said monetary policy would remain tight until policymakers are sure inflation is on a path to the 2% target. The central bank will publish updated growth and inflation projections with the November decision. In September, headline consumer prices rose 2.9% from a year earlier and core inflation excluding food and energy was 2.8%, both easing from August but still above target.
Growth, the uneven spillover, and what it means for your portfolio
The data point to a solid start to the fourth quarter for exports, even if the chip boom's benefits are not evenly distributed across the economy. That split complicates the BOK's call, with strong growth and inflation still above target set against soft household demand.
In the third quarter, the economy grew 1% from the previous three months, beating a 0.8% forecast. Facility investment climbed 4.1%, but private consumption fell 0.2%. The BOK now expects this year's and next year's growth to come in well above the 3.3% and 2.9% it projected in August, citing ongoing vigor in semiconductor exports and investment and anticipating that improving incomes will gradually support a broader consumption recovery.
Currency is another lever to watch. The won's appreciation has helped temper imported inflation. Continued export momentum and sizable trade surpluses could support further gains, though capital flows and global conditions will set the pace.
Bottom line for your portfolio: Korea's export cycle is hot, driven by semis, while domestic demand lags. That mix supports exporters and the won, but keeps rate risk and dispersion across sectors firmly in play.
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