The second indicator, the Topix, also opened with a decline of 0.85% to 3,065.62 points, 11 minutes after the session began at 9:11 AM local time (1:11 AM in Lisbon).
The Nikkei index reflects the unweighted average of the 225 leading stocks on the Tokyo Stock Exchange, while the Topix indicator includes stocks from the 1,600 largest listed companies.
