U.S. online spending rose nearly 9% during the 2024 holiday season, with shoppers mainly using their smartphones to buy products ranging from TVs to LEGO sets, data from Adobe Analytics showed on Tuesday. Holiday spending from Nov. 1 through Dec. 31 rose 8.7% to about $241.4 billion online, compared with Adobe’s forecast of $240.8 billion in September. In 2023, online spending during the same period grew 4.9%.