Warnings continue to pervade market and financial news this week, with Monica Crowley, former assistant secretary for public affairs for the U.S. Department of the Treasury, indicating “catastrophic” consequences if the U.S. dollar loses its status as the world’s reserve currency. In related news, billionaire Bill Ackman warned that the U.S. economy is “heading for a train wreck.” Meanwhile, First Citizens Bank has acquired SVB, and the U.S. government remains a top bitcoin holder with its seized stash. All this and more, just below.