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Brazil's stock index closed down 2.67%, the biggest drop since January 2023 after the Brazilian central bank raised interest rates.Chip-concentrated stocks clustered in four major industries, and 43 stocks fell for more than three consecutive periods. According to the statistics of Securities Times and DataBao, as of December 12, 300 stocks disclosed the number of shareholders in the latest period, compared with the previous period (November 30), there were 162 stocks with a decrease in the number of shareholders. Specifically, the number of shareholders in 29 stocks decreased by more than 5%, and the number of shareholders in 5 stocks decreased by more than 10%, including Dongfang Huanyu, Zhongshe, Baina Qiancheng, Midland New Materials and Hengshuai. Many chip-concentrated stocks have performed well in the recent market. According to the statistics of DataBao, the average share capital of 126 chips has increased by 4.86% since last month, and the cumulative increase of 18 stocks is above 10%. The top gainers are Guoan Da, Beiwei Technology and Silk Road Vision, which have increased by 42.5%, 26.18% and 21.44% respectively. From the industry point of view, the number of chip concentrated stocks is the largest in the four major industries of mechanical equipment, power equipment, electronics, medicine and biology.The Federal Reserve's loan balance in the discount window in the week of December 11th was $2.61 billion, compared with $2.43 billion in the previous week. The balance of bank term financing loans in the week of December 11th was 15.6 billion US dollars, compared with 17.1 billion US dollars in the previous week.

Goldman Sachs: Two situations support the view that the reserve price of Brent crude oil is $70. Goldman Sachs: We find that when the price of Brent crude oil falls to the range of $60/barrel, the supply response measures of the United States will increase, and the Organization of Petroleum Exporting Countries (OPEC) tends to extend the production reduction around the current price level, which supports our view that the reserve price of Brent crude oil is $70/barrel.Industry: The worry about the imbalance between supply and demand still exists, and there is limited room for alumina futures to continue to fall. Since the intraday record of 5,540 yuan/ton on December 5, the main contract price of domestic alumina futures has started to fluctuate and fall, reaching a minimum of 5,077 yuan/ton on December 12, with the cumulative maximum decline exceeding 8%. According to industry insiders, the increase of alumina registered delivery brands and the sharp drop in overseas alumina spot quotations have led to the recent decline in alumina futures prices. Although the short-term news in the market is intertwined, the imbalance between supply and demand in the alumina market has not fundamentally improved, so there is limited room for the subsequent decline of alumina futures prices. (CSI)US National Security Adviser Sullivan: I believe that the Gaza agreement may be reached soon. US National Security Adviser Sullivan said on Thursday that he believes that an agreement on a ceasefire and the release of hostages in Gaza may be reached soon, because Israel has indicated that it is ready and Hamas has shown signs of action.

New york Federal Reserve: Michelle Neal, the marketing department, resigned and will officially leave on March 25th, 2025. Neal will be a senior consultant until she leaves the bank, and she will return to work in the private sector. Anna Nordstrom will be the temporary marketing director until Neal leaves.Peru's central bank kept its benchmark interest rate unchanged at 5%.Brazil's stock index closed down 2.67%, the biggest drop since January 2023 after the Brazilian central bank raised interest rates.