Roundhill's Photonics ETF LYTE hit $72M in first-day trading volume, surpassing DRAM's debut as investors pile into niche AI infrastructure

Roundhill Investments' DRAM became a blockbuster ETF in record time on the memory trade. It's back with a new fund targeting another AI tech theme: photonics.

Roundhill Investments' DRAM ETF hit nearly $10 billion in 43 days, betting on memory chip shortages as the biggest bottleneck in AI