On July 30, Roundhill Memory ETF rose 5.13% in pre-market trading, trading at $47.10/share with turnover of $85.55 million. The rally was driven by Samsung Electronics reporting stronger-than-expected Q2 financial results, triggering a broad recovery in memory chip sentiment.

Samsung posted revenue of 171.50 trillion KRW (+130% YoY) and operating profit of 89.49 trillion KRW (+1,813.8% YoY), with net profit of 71.62 trillion KRW exceeding analyst estimates. The outperformance was fueled by robust AI infrastructure demand for memory products. Samsung further projected that global memory chip shortages will persist through 2028 and disclosed plans to lock 60-70% of DRAM/NAND capacity through five-year rolling long-term agreements. Samsung shares surged over 8% on the day, while Korea's KOSPI index gained 3%. JPMorgan noted that Korean memory sector deleveraging is nearing completion, reducing downside risk and supporting sentiment recovery following the prior session's sell-off triggered by SK Hynix's earnings miss.

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