Japan's Nikkei climbs for fourth day on US-China trade truce hopes

Nikkei 225 rose 0.6%, logging longest winning streak in a month.

Chipmakers like Sumco (+11%) and Tokyo Electron (+4.8%) rallied.

Hino Motors plunged 18% on merger-related share issuance.

Weaker yen and optimism over U.S.-China ties lifted sentiment.