意大利總理梅洛尼宣佈向米蘭部署500名軍人，協助警方維持治安至年底。

Hong Kong's Hang Seng Index (HSI) opened down 196.78 points, or 0.81%, at 23,990.05 on Tuesday Oct. 20; the Hang Seng Tech Index opened down 52.72 points, or 1.28%, at 4,055.52; the Hang Seng China Enterprises Index (HSCEI) opened down 49.73 points, or 0.61%, at 8,078.52; the Hang Seng Red Chip Index opened down 14.65 points, or 0.36%, at 4,042.85.

Hong Kong stocks traded choppy in the morning session. By midday the Hang Seng Index was down 0.95% at 23,956.93 and the Hang Seng Tech Index fell 1.21% to 4,058.39. Losers included non-ferrous metals, power-equipment and retail; tech and new-energy vehicle names weakened. Sector gainers: CXO concept and physical AI. Notable movers: Wuyi Vision (06651.HK) +27%, UBTECH (09880.HK) +7.9%, Hansoh Pharmaceutical (03692.HK) +7.5%, Sunny Optical (02382.HK) +4%+. On the downside Lenovo Group (00992.HK) -7.56%, China Molybdenum (03993.HK) and CATL (03750.HK) -6.3%, MINIMAX-W (00100.HK) -4%+, Zhipu (02513.HK), SERES (09927.HK), Pop Mart (09992.HK) and Alibaba (09988.HK) down more than 3%.