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Public Event Detail

Micron shares tumble after chipmaker says Trump's China tariffs will hit profitability

Public historical observation from the Merrowstone archive. This page shows event-level context only. Accepted assertions, evidence lineage, and relationship intelligence remain part of the premium research layer.

Historical observations only. No forecasts, recommendations, buy/sell ratings, or portfolio advice.
2018-09-20MUMicronAlpha Vantage Newstariff_announcement

Event summary

Micron Technology shares fell after its CFO stated that President Trump's tariffs on Chinese imports would negatively impact the company's gross margins. The chipmaker also provided weaker-than-expected future guidance for revenue and earnings per share. This news overshadowed an initial after-hours gain following a strong fourth-quarter earnings report.

Attached public signals

Observed outcomes

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Archive metadata

Legacy event IDevt_39c0f25fa3cd135a2348
Importance score0.00
Materiality score0.00
Categorysemiconductors
Source archetypehistorical_news
Created2026-06-22T08:04:26+00:00