Table 4 The description of the data

Dependent variable

Stock price history data

Closing prices of the five stocks (¥)

January 1, 2020 to August 29, 2022

https://www.wind.com.cn/

Characteristics associated with the stock price

Opening price

Opening price of the five stocks (¥)

January 1, 2020 to August 29, 2022

https://www.wind.com.cn/

Highest Price

Daily highest price of the five stocks (¥)

January 1, 2020 to August 29, 2022

https://www.wind.com.cn/

Lowest Price

Daily lowest price of the five stocks (¥)

January 1, 2020 to August 29, 2022

https://www.wind.com.cn/

Turnover

Turnover of the five stocks (¥)

January 1, 2020 to August 29, 2022

https://www.wind.com.cn/

Transaction volume

Transaction volume of the five stocks (¥)

January 1, 2020 to August 29, 2022

https://www.wind.com.cn/

Search Engine Data

Baidu Index

The most popular search engine in China.

Selected keywords: The names and ticker symbols of the five stocks

January 1, 2020 to August 29, 2022

https://index.baidu.com/

Google Trends

The most popular search engine worldwide.

Selected keywords: The names and ticker symbols of the five stocks

January 1, 2020 to August 29, 2022

https://trends.google.com/

Text Data

News data

Stock-related news texts

January 1, 2020 to August 29, 2022

https://news.qq.com/

Practitioner commentary data

Text of comments from practitioners and investors

January 1, 2020 to August 29, 2022

http://guba.eastmoney.com/

Pandemic data

Official news reports on the outbreak

January 1, 2020 to August 29, 2022

http://www.nhc.gov.cn/

Public opinion data

Content of discussion among the public

March 1, 2021 to August 29, 2022

https://yqt.midu.com/