Memory, neocloud, photonics, space and copper ETFs are the top picks-and-shovels plays on the next technological revolution. The five are DRAM for memory, NCLD for neoclouds, LYTE for photonics, NASA for space and COPX for copper. x.comÂ
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Independent Analyst, High-Risk Small-Cap & Growth Investing
An early AI buildout, healthcare data, tokenized finance and copper's clearest supply-demand imbalance favor a 15-stock growth basket now. Marvell, Applied Optoelectronics, Nebius, Eli Lilly, Tempus, Ouster, Regal Rexnord, Bloom Energy, Fluence, SpaceX, Brazil's EWZ ETF, Nu Holdings, Coinbase, Securitize and the COPX copper-miners ETF are the picks. Keep Fluence smaller; SpaceX stays bullish long term despite rejecting $500B-$1T ARR in 2027. x.comÂ
Memory should outperform over the next 6-12 months because demand is not slowing and supply is not catching up. The DRAM ETF is the easiest way to gain exposure, with Micron, Samsung and SK hynix as its top three positions. x.comÂ
The Roundhill Memory ETF looks vulnerable because its late launch fits the pattern of Wall Street selling hot themes to the public shortly before they top. DRAM was a monster trade of 2026 in April and May, led by Sandisk and Micron. It topped two months after debut and is rolling into Stage 4 against its 10-week EMA; the similarly late-launched FOTO photonics ETF topped in just two weeks. x.comÂ
The DRAM memory chip ETF offers early exposure to SK Hynix before its Nasdaq listing, because roughly 30% of the fund is SK Hynix. Per Kalshi, SK Hynix is set to list on the Nasdaq this Friday, and Leopold Aschenbrenner's fund has shown interest in buying the IPO shares; he has a record of spotting trends early, including SanDisk, Bloom Energy and IREN in 2025. x.com x.comÂ
The Roundhill Memory ETF is a genuinely great way to get memory exposure, especially without access to foreign stocks. It concentrates on the three leaders, Micron at 24.6%, Samsung at 24.1% and SK Hynix at 23.1%, plus SanDisk, Kioxia, Western Digital, Nanya and Winbond. x.comÂ
Memory stocks may be at a local top, because the launch of a new 2x leveraged ETF on a sector, such as RAM tracking the Roundhill Memory ETF, has had an uncanny ability to mark local tops. x.comÂ
Memory stocks are a steal with the Roundhill Memory ETF under $50, because memory demand is nowhere near finished. These companies have reported only incredible earnings since the highs. x.comÂ
The Tema Memory ETF offers a way to play the memory boom without picking the winning stock. Memory chip revenue is forecast to rise from $200B in 2025 to over $700B in 2027, but HBM, DRAM and NAND don't always move together, so being right on the theme can still mean picking the wrong ticker. The fund holds 18 names led by SanDisk, Kioxia and SK hynix, including Korean and Japanese stocks hard to buy from US accounts. It is concentrated, new and charges 0.75%, so size it as a theme bet. x.comÂ
Memory stocks are a temporarily hot theme that is likely to be replaced within months or years, which makes them a poor fit for long-term holders. x.comÂ
Memory chip makers look promising as a long-term hold because memory supply is constrained until 2028 and most likely beyond, and demand will only become more constrained. The value still looks insane even after the run. x.com x.com x.comÂ