Technology refers to the state of lagging.

While both the British and American central banks announced new actions, investors did not wait for the Trump administration to announce details of its promised economic stimulus measures. Following the major European stock indexes, the Dow Jones also fell into a bear market. On Wednesday, the Dow closed down 1,464.94 points, or 5.9%, to 23,553.22 points, down 20% from its all-time high a month ago, and fell into a technical bear market. More than a decade into a bull market, the S&P 500 closed down 4.9% at 2,741.38, down 19.2% from its February 19 high and approaching a bear market. Nasdaq closed down 4.7% at 7952.05 points, down 19% from the previous day. Comments say this is the fastest decline from peak to bear market ever and the worst start to a year since 2009.

In addition to heightened concerns about the global pandemic, the comments also attributed Wednesday's sharp decline in U.S. stocks in part to the Trump administration's failure to provide details on any stimulus measures. After speaking to markets on Tuesday, Trump said the payroll tax could be reduced to zero until the end of the year. But the timing of such stimulus measures was unclear until Wednesday's close. Trump also said that day that if the problem could be solved quickly, stimulus measures might not be necessary. After the transaction, Trump also said that he planned to issue a relevant statement at 20:00 EST. Affected by this, U.S. stock futures rose 1% after hours. Technical indicators are the application of certain mathematical formulas to raw data, such as opening price, closing price, highest price, lowest price, etc., to obtain various indicator values, and then concatenate the continuous indicator values ??to derive the following results. Using charts to judge stock prices Technical indicators are lagging when looking at future trends.

The underlying assumption is that what happened will happen again, so it is not forward-looking. There are many technical indicators in the stock market, which can be roughly divided into three categories from a functional perspective: Oscillator indicators use a certain calculation formula to obtain a value that fluctuates near a certain space based on the four elements of stock trading volume, price, time and space. , and predict stock price trends through fluctuation patterns. Common indicators in this category include KDJ, RSI, WR. RSI: The principle of RSI is to assume that the closing price is the ultimate expression of the strength of buyers and sellers. Closing prices are seen as buyer's power, while declines are seen as seller's power. Generally speaking, buy signals from the RSI below 30 and sell signals from above 70 are particularly reliable.