芝商所再次提保，白银近乎腰斩，牛市结束了吗？

Group 1 - The core viewpoint of the news is that gold prices experienced fluctuations, dropping to a support level of $4800 before rebounding to above $4900 due to favorable unemployment data from the U.S. [3] - The U.S. initial jobless claims for the week ending January 31 were reported at 231,000, which is seen as bullish for gold [4] - The Chicago Mercantile Exchange announced an increase in margin requirements for gold and silver futures, which negatively impacted gold and silver prices, causing gold to drop below the critical support level of $4800 [4] Group 2 - The World Gold Council reported a record inflow of $18.7 billion into global gold ETFs in January [6] - JPMorgan forecasts that central bank net purchases of gold will reach 800 tons this year, which is 70% higher than levels before 2022, potentially pushing gold prices to $6300 per ounce by the end of 2026 [6] - The market is currently experiencing strong demand for gold, with a shortage situation prevailing [7] Group 3 - The current gold price is reported at $4826, with various other gold-related prices provided [9] - The market sentiment indicates a potential for a rebound after a significant drop, with a trading range identified between $4655 and $5100 [11] - Technical analysis suggests that the lower Bollinger Band at $4655 serves as strong support, and there are strategies for trading within the identified range [12]