Trump earlier said he would extend for the third time a deadline for ByteDance to sell the US portions of TikTok, which would give the company 90 days beyond June 19.
Congress passed a law last year requiring the divestiture, citing national security concerns. Under the law, the president was allowed to invoke one extension.
Movement on a deal has largely stalled with US-China trade relations swept up in larger tensions over tariff negotiations.
Before Trump announced widespread tariffs in April, a deal was reportedly close, advanced by a consortium of US investors including Oracle, Blackstone and venture capital firm Andreessen Horowitz.
See also: US takes nearly 10% Intel stake, clinching unorthodox deal
The White House didn’t respond to a request for more details on Trump’s latest remarks.