Micron kicked off another day of strong gains on Wednesday, leading the memory-fueled rally that's helped propel indexes to fresh highs. The gains have pushed Micron's market capitalization above $1 trillion for the first time this week, with shares nearly tripling in value since the start of 2026. Beyond Micron, other memory chip stocks have also notched big gains. Western Digital, Sandisk, and Seagate rose on Tuesday and Wednesday, though by smaller percentages than Micron. The memory rally wasn't exclusi ...