David Kostin isn't alone with Morgan Stanley, RBC experts also concerned.
Fears over tariff impact on US economy are increasing.
Major firms are advising clients to buy the dollar.
DOGE team has ordered payment shutdown to federal contractors.
The White House rejected earlier reports that the president would stay his hand on the economic sanctions, which range from 10 percent to 25 percent.
Treasuries closed the month on a positive note even as the second-term US president's efforts to reshape policy, including tariff threats, spurred turbulence.
Bitwise is one of several firms hoping to launch innovative new funds.
Tech stocks have had a volatile week.
Bullion topped $2,800 per ounce briefly Friday.
Crypto industry gave millions of dollars to supportive campaign.
