Micron Technology (MU) and the broader semiconductor sector saw steep declines on March 3, 2026, with the semiconductor ETF (SMH) dropping 4.2% and NVDA slipping 2.8% despite favorable earnings forecasts. The selloff appears disconnected from underlying company performance.
- Micron (MU) dropped 6.7% on March 3, 2026, despite a positive earnings forecast from UBS.
- The semiconductor ETF (SMH) declined 4.2%, its largest single-day drop in six weeks.
- NVIDIA (NVDA) fell 2.8% despite strong data center demand and revenue growth.
- Micron’s Q4 gross margins rose to 38%, up from 31% in the prior year.
- UBS forecasts a 32% revenue increase for Micron in the fiscal second quarter.
- Inventory levels remain balanced, and data center memory sales grew 29% YoY.
Shares of Micron Technology (MU) plunged 6.7% on March 3, 2026, outpacing broader tech sector losses amid a broader retreat in memory-chip equities. The semiconductor ETF (SMH) fell 4.2%, marking its steepest daily drop in six weeks, while NVIDIA (NVDA) declined 2.8% despite recent strong guidance from major Wall Street firms. The move occurred despite a recent UBS research note upgrading Micron’s outlook, forecasting a 32% revenue increase in the fiscal second quarter and a return to profitability in the third quarter. The disconnect between stock performance and fundamentals suggests the selloff may be driven by technical factors or short-term sentiment shifts rather than operational concerns. Analysts note that inventory levels remain balanced, demand from data centers and consumer electronics is holding steady, and pricing trends for DRAM and NAND flash show signs of stabilization. The lack of any fundamental deterioration raises questions about whether the sell-off reflects overreaction to macroeconomic chatter or algorithmic trading activity. Key metrics reinforce resilience: Micron’s trailing twelve-month revenue stands at $24.3 billion, with gross margins rebounding to 38% in Q4, up from 31% in the prior year. The company reported a 29% year-over-year growth in data center memory sales, and semiconductor equipment orders from key Asian foundries remain elevated. Meanwhile, SMH’s 52-week high is still above current levels, indicating that the recent drop may be a temporary correction. Investors are now monitoring whether the downturn will trigger broader sector rotation, with capital potentially shifting toward AI-focused names like NVDA or non-memory semiconductor players. The move underscores the volatility that can arise even in fundamentally strong sectors when sentiment turns.