Asian shares were mixed on Friday, losing some of their morning gains, after U.S. stocks ran to the brink of another record. U.S. futures and oil prices also logged modest gains.

Investors were watching for further details after President Donald Trump said the U.S. and China had signed a trade deal. Commerce Secretary Howard Lutnick said in an interview on Bloomberg TV that the deal was signed two days ago, but he gave no details, saying "The president likes to close these deals himself."