Stock Markets April 1, 2026

South Korea’s Factory Activity Strengthens in March on Chip Demand and Product Launches

PMI rises to 52.6, with output growth the strongest since August 2024 while input costs climb

By Avery Klein
South Korea’s Factory Activity Strengthens in March on Chip Demand and Product Launches

South Korea's manufacturing sector expanded at its fastest pace in over four years in March, led by semiconductor demand and new product rollouts, according to a private-sector PMI survey published Wednesday. The S&P Global purchasing managers index climbed to 52.6 from 51.1 in February, while input costs rose at the fastest rate since June 2022. Export order growth cooled amid regional conflict, dragging new order expansion to a four-month low.

Key Points

  • PMI rose to 52.6 in March, the highest reading since February 2022, indicating manufacturing expansion.
  • Output growth accelerated to its strongest rate since August 2024, supported by new product launches and semiconductor demand.
  • Export order growth slowed to a four-month low as the Middle East war weighed on foreign demand; input costs climbed sharply, pointing to near-term inflation risks.

South Korea's factories registered a notable pickup in activity in March as chip demand and fresh product introductions supported stronger production, according to a private-sector purchasing managers index (PMI) released Wednesday.

The index, compiled and published by S&P Global, climbed to 52.6 in March from 51.1 in February. That reading represents the highest PMI level since February 2022 and signals an expansionary trend across the manufacturing sector.

Output was a particular bright spot, rising at the fastest pace since August 2024. The survey attributed the acceleration to a combination of new product launches and increased semiconductor-related activity. Semiconductors, identified in the survey as a key support factor for production, remain a core export for South Korea and have experienced rapid growth over the past year amid rising demand from the artificial intelligence industry.

Despite the overall improvement in activity, new order growth eased slightly compared with February. The survey noted that export orders were especially affected, with growth in exports falling to a four-month low as the Middle East war weighed on external demand.

Costs for manufacturers also moved higher in March. Input prices rose at the sharpest rate since June 2022, a development that the survey said points to a near-term upward pressure on inflation for the sector.


Context and implications

The PMI's rise to 52.6 signals broadening momentum in manufacturing driven by technology-related demand and product cycles. Output gains linked to semiconductors underline the continued importance of chip production to South Korea's factory sector. At the same time, the moderation in new orders and the deterioration in export order growth highlight vulnerabilities tied to the geopolitical environment and external demand fluctuations.

What the survey explicitly shows

  • S&P Global's PMI was 52.6 in March, up from 51.1 in February.
  • Output increased at the fastest rate since August 2024, supported by new products and semiconductors.
  • New export orders slowed, with export order growth at a four-month low amid the Middle East war.
  • Input prices rose at the fastest pace since June 2022, suggesting near-term inflationary pressure.

Risks

  • Weaker export order growth due to the Middle East war could dampen manufacturing sectors reliant on external demand - particularly exporters.
  • Rising input prices, registering the fastest increase since June 2022, pose a near-term inflation risk for manufacturers and could squeeze margins in cost-sensitive sectors.
  • Slower new order expansion, despite stronger output, indicates potential short-term volatility in future production levels for firms dependent on incoming sales.

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