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According to informed sources, Ultramicro Computer is considering issuing additional shares and bonds. Ultramicro computers fell 6% in after-hours trading.US Treasury Secretary Yellen: Banking supervision is crucial to reduce the risk of bank failures and financial crises.Brent crude oil futures closed up $1.08, or 1.47%, at $74.49/barrel.

Major European stock indexes closed down across the board, with Germany's DAX index down 0.10% to 20405.92, France's CAC40 index down 0.15% to 7409.57, and Britain's FTSE 100 index down 0.14% to 8300.33.Chicago wheat futures fell more than 1.1%, US demand fell, and global supply was strong. In late new york on Friday (December 13th), the Bloomberg Grain Sub-index fell 0.71% to 31.5695 points, and this week it has fallen 0.09%. CBOT corn futures fell 0.23% to $ 4.42-1/2 a bushel, up 0.57% this week. CBOT wheat futures fell 1.16% to $5.52/bushel, down 0.72% this week. CBOT soybean futures fell 0.77% to 9.95-1/2 USD/bushel, down 0.25% this week; Soybean meal futures fell by 1.21%, and fell by 0.67% this week, while soybean oil futures fell by 0.07% and fell by 0.65% this week.There are about 50 cases of A-share cross-border semiconductor industry frequently this year. Recently, Youa, a leading department store retail enterprise, issued a plan saying that it intends to purchase 100% equity of Shenzhen Shangyangtong Technology Co., Ltd. by issuing shares and paying cash, and raise matching funds, thus entering the field of semiconductor power devices across the border. The target of the merger had previously applied for an IPO in science and technology innovation board, but the order had been withdrawn. After the resumption of trading of Youa shares, the company's share price has been unlimited for three consecutive days. Since the beginning of this year, A-share listed companies have seen an endless stream of M&A and investment cases around semiconductor industry chain projects and assets. As of December 13th, about 50 listed companies have disclosed relevant major asset restructuring plans or investment progress. In addition to Youa shares, listed companies such as Shuangcheng Pharmaceutical, Yanggu Huatai, Baiao Chemical and Guangzhi Technology have also chosen cross-border mergers and acquisitions and laid out semiconductor industry chains. (SSE)

US CFTC：WTI crude oil bullish sentiment hit a six-week low, US Commodity Futures Trading Commission (CFTC): In the week of December 10th, the net long position of NYMEX WTI crude oil held by speculators decreased by 12,448 contracts to 103,986 contracts, a six-week low. Net long positions in Brent and WTI crude oil decreased by 11,013 contracts to 215,325 contracts. The net long position of NYMEX gasoline increased to 73,037 contracts, a record high of about eight weeks. The net short position of NYMEX heating oil increased to 46,823 contracts, the highest since the data was recorded in June 2006. The net long position of seven contracts of NYMEX natural gas Henry Hub in the United States fell to 108,908 contracts, a three-week low.Canadian Finance Minister: In the face of possible tariffs imposed by the United States, Canada will not escalate the dispute and will not back down.S&P: Mexico may take a pragmatic attitude when negotiating with the United States on bilateral issues.