KEY POINTS
  • Micron Technology shares fell 5 percent in Friday's premarket session, a day after CFO David Zinsner said that the company's gross margins would suffer due to President Donald Trump's latest round of tariffs on Chinese imports.
  • Micron also gave weak future guidance for revenue and earnings per share compared to what analysts had estimated.
  • Shares initially rose more than 4 percent after-hours following the release of the company's fourth-quarter earnings report.
The headquarters of Micron Technology Inc. stands in Boise, Idaho.

Micron Technology shares fell 5 percent in Friday's premarket session, a day after CFO David Zinsner said that the semiconductor company's gross margins would suffer due to President Donald Trump's latest round of tariffs on Chinese imports.

"Our gross margins will also be impacted in the near term by the announced 10 percent tariff on $200 billion of imports from China which will go into effect on September 24," Zinsner said. "We are working to gradually mitigate most of the impact from these tariffs over the next three to four quarters."