[Rex Shares to Launch 2x Leveraged ETF Linked to Strive Stock] According to Deep Tide TechFlow on September 18, BitcoinTreasuries.NET reported that REX Shares, an ETP issuer managing $5 billion in assets, announced it will launch a 2x leveraged ETF (Ticker: ASSX) today, tracking the daily performance of Strive (ASST).