A New York-based mult-asset investing platform has an attractive annual percentage yield. What Happened: Public launched its secondary brokerage account, High-Yield Cash Account, to offer 5.1% APY (subject to change) with zero fees and no minimum balance requirements. Funds from the account will be directly deposited into partner banks where they earn a variable interest. See Also: Valkyrie Amends Spot Bitcoin ETF Application Again: Will SEC Grant Approval Before Deadline? Why It Matters: The national savings average stands at 0.57% APY, as of Dec. 12, 2023, based on BankRate data. With this o…