On Monday, September 7, A-share stocks in the powder and additive manufacturing (AM) sector saw broad gains: Bright Laser Technologies (688333) rose 4.91% intraday to CNY 114.45, with turnover of CNY 239 million and a market cap of CNY 31.396 billion; Youyan Powder Materials (688456) closed at CNY 74.52, up 4.91% (turnover CNY 410 million, turnover rate 5.37%); Huashu Hi-Tech (688433) closed at CNY 110.41, up 2.52% (turnover CNY 792 million, with main capital net inflow of CNY 74.34 million). Overseas: titanium powder maker IperionX (ASX: IPX) gained 5.41% to AUD 3.12 on September 7, making it onto that day's ASX winners list. Theme expansion: 3D printing concept stocks rallied sharply in early trading, with Scantech hitting the 20% daily limit and Changjiang Materials also hitting the limit-up. The driving theme was 'AI moving toward physical-world interaction'.