Roundhill Memory ETF is trading 5% higher in pre-market action following a rebound in global memory-chip stocks and improving sentiment toward the semiconductor complex.

  • Pre-market strength is being driven by renewed AI-related demand optimism for high-bandwidth memory (HBM).
  • Easing South Korean tax and regulatory concerns helped key holdings like Samsung and SK Hynix recover, supported by a broader tech-led risk-on tone in U.S. futures.