包装印刷板块盘初拉升，天元股份涨停

Group 1 - The packaging and printing sector experienced a significant rise at the beginning of trading, with Tianyuan Co., Ltd. (stock code: 003003) hitting the daily limit [1] - Nanwang Technology (stock code: 301355) saw an increase of over 10% [1] - Other companies in the sector, including Hexing Packaging (stock code: 002228), Dashengda (stock code: 603687), Jinjia Co., Ltd. (stock code: 002191), Longlide (stock code: 300883), and Meiyingsen (stock code: 002303), also experienced gains [1] Group 2 - There is a notable influx of dark pool funds into these stocks, indicating increased investor interest [1]