The Nikkei stock index briefly surpassed the 70,000 mark on Monday morning, a level it had not reached since early July. This development followed gains on Wall Street.

Further details about the stock market's performance are available from the source. The Nikkei's movement above the 70,000 line is a notable event, occurring for the first time in several months.

The source provides more information about the Nikkei stock index and its recent activity, including the timing and context of its movement above the 70,000 line.