SK Hynix seized 36 per cent of global DRAM sales in the March quarter to surpass Samsung, which had led the market for more than 30 years The coming earnings results of SK Hynix are likely to show it replaced Samsung Electronics as the world's top vendor of dynamic random-access memory (DRAM) for the first time in the two companies' decades-long rivalry,

The Nvidia supplier reported a 7.4 trillion won ($5.19 billion) operating profit for the January-March period versus 2.9 trillion won a year earlier. That compared with a 6.6 trillion won average forecast by LSEG SmartEstimate, which is weighted toward analysts who are more consistently accurate.

SK Hynix's quarterly profit more than doubled on strong AI chip sales and stockpiling ahead of potential U.S. tariffs, but it warned that macroeconomic uncertainties could create demand volatility in the second half of the year.