The Tradr 2X Long SNDK Daily ETF (SNXX) surged 6.70% during pre-market trading on Monday, extending gains from a strong after-hours session the previous trading day.

The leveraged ETF's sharp rise reflects a powerful, sustained rally across the broader U.S. data storage technology sector. Key underlying component companies, including SanDisk, Micron Technology, Western Digital, and Seagate Technology, have recently reached or refreshed all-time highs.

Analysts attribute the sector's strength to exploding demand for storage solutions related to artificial intelligence, particularly in segments like DRAM, high-bandwidth memory (HBM), and NAND flash memory. Micron Technology, a key pure-play DRAM manufacturer and the world's second-largest HBM supplier, is seen as a major beneficiary of this trend.