SK Hynix and SanDisk Climb 8%, Western Digital Gains 4% as Memory Shortage Deepens

4 days ago 8

David Moadel

Wed, August 12, 2026 astatine 10:01 AM CDT 4 min read

Quick Read

SK Hynix (SKHY) and SanDisk (SNDK) each surged 8% Wednesday aft Temasek announced nonstop investments and Micron's CBO warned 2027 proviso volition beryllium adjacent tighter.
Micron (MU) jumped 6% and the Roundhill Memory ETF (DRAM) roseate 8%, yet some commercialized beneath 21x net contempt gross surging implicit 345% twelvemonth implicit year.
Micron Chief Business Officer Sumit Sadana's "even tighter" 2027 outlook suggests today's determination could people a genuine assemblage re-rating alternatively than a one-day absorption to caller catalysts.
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Memory and retention stocks are rallying sharply Wednesday greeting arsenic caller catalysts stack connected apical of an already choky proviso picture. SK Hynix (NASDAQ:SKHY) banal is up 8% to $153. Meanwhile, SanDisk (NASDAQ:SNDK) shares are climbing 8% to $1,382 and Western Digital (NASDAQ:WDC) banal is gaining 4% to $457.

A high-angle close-up shows the exposed interior components of a metallic laptop oregon computer. Two greenish RAM modules with achromatic chips are lying connected a perforated metallic aboveground successful the foreground, portion a 3rd RAM module with a beige statement speechmaking '4GB PC3-8500 WARRANTY VOID IF REMOVED' is partially inserted into a slot. A hard thrust is disposable successful the top-left, and a achromatic cooling instrumentality and motherboard circuitry are successful the top-right.

The rally is broader than those 3 names. Micron Technology (NASDAQ:MU) banal is besides up 6% to $919, and the Roundhill Memory ETF (CBOE:DRAM) is rising 8% to $55, a singular determination for a assemblage ETF.

What stands retired is however humble valuations stay contempt the run. Each sanction trades astatine a trailing 12-month P/E ratio successful the high-teens to low-20s. That's an unusually restrained illustration for stocks with this benignant of momentum successful 2026.

Temasek Report and Micron's Tightness Call Fuel the Move

Three catalysts are driving today's action. First, a study that Singapore's sovereign wealthiness money Temasek is readying nonstop investments successful Samsung Electronics and SK Hynix lifted the KOSPI overnight and rippled into U.S.-listed representation names. Temasek reportedly views the AI-semiconductor conception arsenic undervalued.

Second, Micron Chief Business Officer Sumit Sadana told investors astatine KeyBanc's tech league that 2027 volition apt beryllium "even tighter" than 2026, with structural proviso constraints extending beyond adjacent twelvemonth arsenic AI request outpaces caller capacity. That commentary reinforced pricing powerfulness expectations crossed DRAM, NAND, and HDD.

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Third, Intel (NASDAQ:INTC) CEO Lip-Bu Tan floated memory-CPU stacking and caller representation architecture arsenic the shortage deepens, noting that representation makers are reportedly sold retired for the adjacent 2 years. AI server request appears to beryllium adding a sympathy assistance crossed the retention ecosystem, arsenic well.

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