Mumbai, Feb. 21 -- Asian stocks ended mixed on Friday as tariff worries offset investor optimism over China's artificial intelligence potential.

Gold dipped from record highs and the dollar faced a third straight weekly drop while oil headed for a weekly gain on supply jitters.

China's Shanghai Composite index gained 0.85 percent to close at 3,379.11 on optimism toward the technology sector.

Also, U.S. President Donald Trump's comments have raised hopes of a de-escalation in the trade war between the world's two largest economies.

Japanese markets eked out modest gains as the yen retreated after strengthening to a more than two-month high of 150.52 per U.S. dollar on Thursday amid BoJ rate hike bets.

The Nikkei average rose 0.26 perc...