Samsung Electronics Co. maintained its position as the world's largest dynamic random-access memory (DRAM) supplier in the first quarter, industry data showed Thursday. According to market research firm Counterpoint Research, Samsung Electronics accounted for 38 percent of global DRAM revenue in the January-March period. Korean rival SK hynix Inc. ranked second with a 29 percent share, while U.S.-based Micron Technology Inc. came in third with 2…