Overview

• The Nikkei 225 finished October 9 above ¥48,000 for the first time, with intraday gains lifting the broader TOPIX to a new high.
• The yen traded in the late‑¥152 per US dollar range in New York and Tokyo sessions, reinforcing export‑led earnings optimism.
• Buying concentrated in AI‑linked and other expensive technology shares, which helped drive the index higher.
• US markets showed a split as the Dow fell for a third day while the Nasdaq and S&P 500 notched record closes.
• Coverage highlighted risks from a weaker currency and higher long‑term rates, including costlier imports, household strain and the possibility of a sharp reversal if political expectations shift.