日经开盘大涨1800点，首次站上5万3000点

Group 1 - The Nikkei average stock index surged by 1800 points after opening on January 13, indicating strong market performance [2][4] - Reports suggest that Japanese Prime Minister Sanae Takaichi is considering the impact of dissolving the House of Representatives at the beginning of the regular Diet session on January 23, which has led to increased expectations for proactive fiscal policies [4] - The index exceeded the previous historical high of 52,518 points set on January 6, and is currently operating within the 53,000 point range [2]