A version of this article appears in print on May 14, 2024, Section A, Page 20 of the New York edition with the headline: California Officials Halt a Cloud Brightening Study Aimed at Cooling the ...

Trump’s select tariff pause sent U.S. stocks soaring with the Dow up over 2,000 points and the S&P 500 and Nasdaq rising 7% and 9%, respectfully. Wall Street’s fear gauge, the VIX, pulled back ...