Micron Announces $24 Billion Singapore Expansion, Shares Rise Premarket

Micron Technology (MU) announced a $24 billion investment in Singapore over the next decade to meet growing semiconductor demand from AI applications. The news pushed Micron shares up 4.5% to $406.44 in premarket trading on Tuesday, January 27, 2026. The company has begun construction on an advanced wafer fabrication facility within its existing Singapore campus, with total project costs estimated at S$31 billion ($24.4 billion). The first wafers are expected to begin production in the second half of 2028. The new facility will primarily support high-end NAND flash memory production, further solidifying Singapore's position as Micron's core manufacturing hub where 98% of its NAND capacity is currently located.