Further investigation into the possible influence of investor sentiment on the volatility of the TASI and the 9 sectors shows that investor sentiment has a stronger and highly significant impact on the volatility of the sectors that experienced significantly increased volatility during the pandemic, but the impact of investor sentiment is weaker and insignificant on the volatility of the sectors that experienced decreased volatility during the pandemic.
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Impact of COVID-19 on the Saudi stock market: analysis of return, volatility and trading volume
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The sentences
It is observed that from May onwards, there is an increasing trend in the index value.