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On the 13th, caustic soda dropped by 3.03%, and the latest main contract positions changed as follows. According to the exchange data, as of December 13th, the main contract caustic soda 2501 closed, with a turnover of 57,100 lots. The position data showed that the top 20 seats were clear, and the difference position was 1,383 lots. The total contract turnover of caustic soda futures was 94,800 lots, an increase of 27,900 lots over the previous day. The first 20 seats in the contract held 71,100 lots, an increase of 2,202 lots over the previous day. Short positions in the top 20 seats of the contract were 72,700 lots, an increase of 1,157 lots over the previous day. (Sina Futures)Baiyun Airport: The passenger throughput in the first November increased by 21.16% year-on-year. Baiyun Airport (600004) released the November production and operation data express on the evening of December 13th, and Baiyun Airport took 43,637 flights (sorties) in November, up by 12.94% year-on-year. Passenger throughput was 6,504,400 person-times, up by 19.94% year-on-year; The cargo and mail throughput was 212,100 tons, a year-on-year increase of 5.68%. Baiyun Airport took off and landed 465,983 sorties from January to November, up 12.05% year-on-year; The passenger throughput was 69.6674 million person-times, up by 21.16% year-on-year; The cargo and mail throughput was 2,161,300 tons, up 18.12% year-on-year.Namibia's GDP in the third quarter increased by 2.8% year on year.

It is reported that Canada is considering imposing export taxes on commodities such as uranium and oil to counter Trump's tariff threat. Canada is studying the imposition of export taxes on major commodities exported to the United States, including uranium, oil and potash, in the case that Trump fulfills the comprehensive tariff threat. Officials familiar with the internal discussions of Canadian Prime Minister Trudeau's government said that the export tax would be Canada's last resort. According to people familiar with the matter, retaliatory tariffs on goods made in the United States and export controls on some Canadian products are more likely to come first. However, these officials said that if Trump decides to launch a full-scale trade war, the commodity export tax is a practical option, which will push up the costs of American consumers, farmers and enterprises. They said that the Trudeau government may also propose to expand its export control power in the latest report on the country's financial and economic situation scheduled to be released on Monday. It is reported that Canada is currently the largest external oil supplier in the United States. Some refineries rely on cheaper Canadian heavy crude oil, and there are few other options. The impact of rising costs is particularly severe in the Midwest of the United States, where nearly half of the crude oil used by fuel producers to produce gasoline and diesel comes from Canada.On the 13th, SSE 50 index futures fell by 2.58%, and the latest main contract positions changed as follows. According to the exchange data, as of December 13th, SSE 50 index futures closed at 2,412, up or down by -2.58%, with a turnover of 53,000 lots. The position data showed that the top 20 seats were clear, and the difference position was 7,398 lots. The total number of contracts of SSE 50 index futures was 91,500 lots, an increase of 25,700 lots over the previous day. The first 20 seats in the contract held 88,200 lots, an increase of 2,257 lots over the previous day. The short positions in the top 20 seats of the contract were 113,700 lots, an increase of 1,701 lots over the previous day. (Sina Futures)Lotus chose Amazon Cloud Technology as the preferred cloud service provider. On December 13th, according to Amazon Cloud Technology, Lotus Technology chose Amazon Cloud Technology as the preferred cloud service provider.

Centaline Property: The price of second-hand houses in Hong Kong dropped by 0.6% on a weekly basis. Centaline Property said on its website that in the week from December 2 to 8, the leading index of Central Plains cities, which measures the price of second-hand houses in Hong Kong, fell by 0.6% to 137.59.CITIC Jiantou: It maintains the "Buy" rating of Orrit, and its product line continues to expand and enrich. According to the research report of CITIC Jiantou Securities, Orrit (605116.SH) is one of the leading companies in the field of characteristic APIs in China. In recent years, the company's product line has been continuously expanded and enriched, which has promoted the continuous growth of revenue. At the same time, the company actively laid out potential areas, and at the current point of time, we think that we can see the company's follow-up multiple catalysis: 1) The preparation business continues to be heavy: the market development of diqu progesterone tablets continues to advance, and the estradiol/estradiol-diqu progesterone composite packaging tablets have been declared for listing. It is expected that the continuous enrichment of new pipelines for the follow-up preparation business will promote the company's performance growth. 2) Smegrutide API: The construction of fermentation workshop and synthesis workshop has been completed, and the expansion and release of new capacity will promote the good growth of API business. 3) Small nucleic acid business: The 100 kg commercial production line landed in September, 2004, opening up the space for subsequent growth. Maintain the "buy" rating.Hite Bio: Two drugs are planned to be selected for national centralized drug procurement. Hite Bio announced that the company participated in the tenth batch of national centralized drug procurement. According to the selected results released by the joint procurement, roxatidine acetate hydrochloride and pentoxifylline injection for injection of the company are selected for this centralized procurement. These two drugs are suitable for the treatment of upper gastrointestinal bleeding and peripheral arterial diseases respectively. The procurement cycle is from the date of implementation of the selected results to December 31, 2027, during which medical institutions will give priority to the use of selected drugs. The company obtained the Drug Registration Certificate of the above drugs in 2024, but it has not generated sales revenue this year. This election will help to enhance the brand influence of the company and have a positive impact on the company's development.