bitcoin explain Knowledge

-On the A-share market, there was a smash at the beginning of the market, especially when the heavyweights such as finance and real estate, which were among the top gainers, collectively fell, which had a great drag on the market index and hit the confidence of the market.-Then, the PPI announced by the United States in November rose by 0.4% month-on-month, the biggest increase since June, and the market expectation was 0.2%; It rose by 3% year-on-year, both exceeding market expectations. The US dollar index opened lower and rose higher, and returned above the 107 mark, which led to the collective decline of the three major US stock indexes.

-Last night, the European Central Bank announced that it would cut three key interest rates by 25 basis points, and cut interest rates for the fourth time this year. The Swiss National Bank has become the "Depth Charge", announcing a one-time interest rate cut of 50 basis points, moving closer to the goal of returning to zero interest rate.-Then, the PPI announced by the United States in November rose by 0.4% month-on-month, the biggest increase since June, and the market expectation was 0.2%; It rose by 3% year-on-year, both exceeding market expectations. The US dollar index opened lower and rose higher, and returned above the 107 mark, which led to the collective decline of the three major US stock indexes.-On the A-share market, there was a smash at the beginning of the market, especially when the heavyweights such as finance and real estate, which were among the top gainers, collectively fell, which had a great drag on the market index and hit the confidence of the market.

-Last night, the European Central Bank announced that it would cut three key interest rates by 25 basis points, and cut interest rates for the fourth time this year. The Swiss National Bank has become the "Depth Charge", announcing a one-time interest rate cut of 50 basis points, moving closer to the goal of returning to zero interest rate.-Then, the PPI announced by the United States in November rose by 0.4% month-on-month, the biggest increase since June, and the market expectation was 0.2%; It rose by 3% year-on-year, both exceeding market expectations. The US dollar index opened lower and rose higher, and returned above the 107 mark, which led to the collective decline of the three major US stock indexes.Short-term funds took the opportunity to cash out, and this round of rebound is over?