Why are Micron and SanDisk bouncing back after Monday’s memory rout?

Micron Technology and SanDisk shares rebounded in Tuesday premarket trading, recovering part of Monday’s memory-stock selloff as investors returned to semiconductor names ahead of Nvidia’s earnings.

Micron was up more than 3%, while SanDisk gained around 4% in the pre-market trading on Tuesday.

The rebound followed Monday declines of 5.8% for Micron and 6.5% for SanDisk during a broader technology retreat.

The reversal raises an important question: what changed overnight if the companies’ underlying businesses did not?

Monday’s rout looks like a positioning shakeout

Memory and storage stocks have been among 2026’s biggest AI winners, leaving them vulnerable when investors suddenly cut technology exposure.

Monday produced that setup. Investors sold heavily owned semiconductor names ahead of Nvidia’s results and US monetary-policy signals, even without fresh evidence that DRAM, NAND or enterprise-storage demand had weakened.

Mizuho analyst Daniel O’Regan told MarketWatch that recent semiconductor weakness “feels less like a fundamental reset and more like a positioning unwind.”

He added that AI spending, data-centre demand and adoption remained “largely intact.”

That distinction helps explain Tuesday’s recovery.

If investors were reducing crowded positions rather than rewriting long-term earnings forecasts, lower prices can attract buyers quickly. No new fundamental catalyst is required.

Micron bulls still see durable earnings power

For Micron, the debate has shifted from whether AI requires enormous amounts of memory to whether shortages, pricing strength and high margins can persist long enough to justify the stock’s extraordinary rise.

UBS analyst Timothy Arcuri maintained a Buy rating and $1,625 target on August 18 after investor meetings focused on supply agreements, gross margins and future capacity.

According to Investing.com, UBS said investor positioning had become cautious, potentially creating an opportunity if Micron’s earnings prove “more durable than feared.”

Bank of America analyst Vivek Arya is constructive.

BofA reiterated a Buy rating and $1,550 target, arguing that SanDisk’s longer-term framework supports the idea that memory companies could possess structurally stronger earnings power than in previous cycles.

The bank believes investors may still be applying an overly traditional boom-and-bust framework to Micron.

SanDisk gets another vote of confidence on AI storage

SanDisk’s rebound has analyst support, as Morgan Stanley analyst Joseph Moore maintained a Buy rating on Tuesday, citing accelerating demand for enterprise solid-state drives from hyperscale customers building AI infrastructure.

According to TipRanks, Moore sees AI workloads and constrained hard-disk supply accelerating the shift toward enterprise SSDs, while limited NAND availability keeps supply-demand balance tight.

After meetings with SanDisk management, Moore said the company remained upbeat on NAND and saw “no line of sight to a balance in industry supply/demand.”

He also described AI inference as driving a “fundamental repricing” of NAND because data-centre customers are less price-sensitive than traditional PC and smartphone buyers.

That provides a counterpoint to Monday’s 6.5% decline and may be worth watching for investors using investment apps to track shifts in semiconductor sentiment.

Still, neither rebound proves the danger has passed. Micron and SanDisk remain highly sensitive to AI capital-spending expectations, interest rates, supply additions and memory prices.