MarketCapInsight
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Memory and Storage Stocks by Market Cap

DRAM, high bandwidth memory, NAND flash and drive makers ranked by market cap, the segment most directly squeezed by AI data centre demand. 9 companies listed, worth $3.678T combined.

#CompanyMarket CapPriceChange
1$1.138T$173.29+4.11%
2$1.060T$938.40+8.05%
3
SK hynix Inc.
SK hynix Inc.000660.KS·KSC
$800.032B$1,127.04+15.03%
4$219.536B$1,499.37+17.96%
5$191.825B$846.37+3.15%
6$169.050B$468.88+7.07%
7$52.643B$16.99+12.12%
8$38.040B$193.85-2.33%
9$8.921B$263.11+17.46%

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Frequently asked questions

Why have memory stocks risen so sharply?
AI accelerators require large amounts of high bandwidth memory, and that demand has absorbed supply that would otherwise serve phones and PCs. The resulting shortage has pushed memory pricing and memory-maker valuations up sharply.
What is high bandwidth memory?
High bandwidth memory, or HBM, stacks DRAM dies vertically next to a processor to deliver far more throughput than standard memory. It is a key constraint on how many AI accelerators can be built.