AI ETFs: Memory & Photonics Move Into Focus

Key Takeaways: AI investing is broadening beyond processors to memory and photonics, which address critical data storage and connectivity bottlenecks. Both memory and photonics ETFs offer targeted access to global leaders, but concentrated holdings can amplify both opportunity and volatility.

ETF Trends • Aug 6, 2026

Manager of DRAM memory chip stock trade blockbuster ETF is back with new AI thematic bet

Roundhill Investments' DRAM ETF targeting the memory trade has been a breakout hit in 2026 amassing close to $25 billion since April, and it is now betting that the photonics boom due to AI data center optical networking innovation will be another investable theme. Goldman Sachs projects that the total addressable market opportunity for optical networking will grow more than nine times over through 2028, from an estimated $15 billion to an estimated $154 billion, and Nvidia has been investing billions into photonics companies.

CNBC • Aug 5, 2026

Top DRAM ETF stocks to watch this week: Western Digital, SanDisk, Micron

The Roundhill Memory ETF (DRAM) has come under intense selling pressure recently as concerns about the memory and technology sectors escalated. It dropped to $50 on Friday, down over 33% from its year-high.

Invezz • Aug 3, 2026

Why the AI Memory Shortage Is Just Getting Started (and Who Wins From It)

Exploding demand for high-bandwidth memory (HBM) is tightening supply across the broader memory market, pushing prices higher and benefiting manufacturers. Memory makers have rare pricing power.

The Motley Fool • Jul 31, 2026

Apple Blames '100-Year Flood' in Memory Prices — And Hints the DRAM Market Needs More Competition

Apple Inc‘s (NASDAQ:AAPL) blowout June-quarter earnings were packed with headlines about record iPhone sales and Apple Intelligence. But one of the most revealing comments came during the Q&A, when CEO Tim Cook described soaring memory prices as a “100-year flood” and suggested the DRAM industry needs more suppliers.

Benzinga • Jul 31, 2026

SanDisk Leads Memory Stock Rally — Here's What's Fueling the Bounce Back

Memory stocks are rallying Thursday, clawing back a chunk of Wednesday's steep losses. Sandisk Corp.  (NASDAQ:SNDK), Micron (NASDAQ:MU), Seagate (NASDAQ:STX), Western Digital (NASDAQ:WDC), SK Hynix Inc. (NASDAQ:SKHY) and the Roundhill Memory ETF (NASDAQ:DRAM) are all higher in early trading, reversing course after a sharp selloff a day earlier.

Benzinga • Jul 30, 2026

DRAM ETF at risk as SK Hynix, Micron, SanDisk stocks plunge despite inflows

The Roundhill Memory ETF (DRAM) has been in a free fall this week, reaching its lowest level since May 7 this year. It has plunged by over 43% from its highest point this year.

Invezz • Jul 29, 2026

Why KOSPI And The Semiconductor Sector Is Crashing

SK hynix (SKHY) and the global memory sector face extreme volatility, with recent price action driven by shifting investor perceptions of capex quality and hyperscaler demand. The market is re-rating semiconductor and memory stocks due to concerns over hyperscaler capex sustainability, not solely because of China's CXMT IPO or domestic lithography advances.

Seeking Alpha • Jul 29, 2026

Forget Micron Stock at $920 Per Share. Buy This Memory-Focused Artificial Intelligence (AI) ETF Instead.

Micron stock has ripped 671% higher over the past year. Shares of Micron are priced at a premium to their historical valuation.

The Motley Fool • Jul 28, 2026

Chip Stocks Extend Pullback Amid AI Bubble Fears

Shares of a number of chipmakers fell today, extending a rough stretch for the AI trade and dragging the Nasdaq lower.

Investopedia • Jul 28, 2026