Defiance ETFshas launched a new exchange-traded fund (ETF) that combines two increasingly important layers of AI infrastructure—memory and optical connectivity—in a single U.S.-listed fund.
Defiance ETFs推出了一隻新的交易所交易基金(ETF),將人工智慧基礎設施中兩個日益重要的組成部分——記憶體器和光互連——整合到一隻在美國上市的基金中。
TheDefiance Memory & Photonics ETF (BATS:PRAM)tracks theSolactive Memory and Photonics Index, which selects the 20 largest eligible companies by free-float market capitalization and equally weights them. The index covers memory semiconductors, storage and networking chips, as well as optoelectronics.
Defiance 記憶體器與光子學ETF(BATS:PRAM)跟蹤Solactive記憶體器與光子學指數,該指數按自由流通市值選出20家符合條件的最大公司,並對其進行等權重配置。該指數涵蓋記憶體器半導體、記憶體與網絡晶片以及光電元件。