The second indicator, the Topix, also opened with a gain of 0.83% to 3,049.31 points, fifteen minutes after the session began at 09:15 local time (01:15 in Lisbon).
The Nikkei index reflects the unweighted average of the top 225 values on the Tokyo stock exchange, while the Topix indicator includes the values of the largest 1,600 listed companies.
