The activist investor instead wants Yahoo to sell its struggling Internet business, the newspaper reported on Wednesday, citing a letter Starboard sent to Yahoo. Starboard supported the sale of Yahoo’s stake of more than $20 billion in Alibaba before the U.S. Internal Revenue Service (IRS) denied Yahoo’s request for a private letter ruling on whether the spinoff would be considered tax free. Yahoo said in September it would proceed with the planned spinoff of its stake in the Chinese e-commerce giant even after the IRS declined its request.