price efficiency. We find favorable rumors are positively correlated with stock price synchronicity, while unfavorable … rumors are negatively correlated with stock price synchronicity. Both favorable and unfavorable rumors are positively … correlated with stock mispricing levels, and stock price crash risk. Mechanism tests reveal that favorable rumors about industry …

bank presence, our baseline regression results indicate that banks' stock price volatility elevates in response to the …

on stock price crash risk. Two proxies for sup‑ ply chain transparency are constructed using the number of supply chain …

economics. At the same time, stock price forecasting that supports trading strategies is considered one of the most challenging … simulations show, frst, that the sentiment composite index and the deep learning model can improve the accuracy of stock price … data using natural language processing, and then combines the data with a deep learning model to forecast future stock …

The new energy industry is strongly supported by the state, and accurate forecasting of stock price can lead to better … policy environment, have led to continuous changes in its stock price and increased stock price volatility. By calculating … proposes a new method of stock price index prediction, namely, EWTS-ALOSVR. Empirical wavelet decomposition extracts features …