Key Takeaways Trump will make an unspecified Oval Office announcement at 2 p.m. ET on Sept. 28, per White House guidance. The Fed hiked to 3.75%-4% on Sept. 16, and the 10-year Treasury yield sits near 5.2%. PCE on Sept. 30 and payrolls on Oct. 2 test bitcoin near $83,300 after a 1.5% Monday dip. The Blank Space on the Calendar Nobody outside the White House knows what the announcement covers. Julia Manchester of The Hill reported the timing on Sunday but giving no topic or agenda for the same. Polymarket’s post about the event had drawn more than 500,000 …