When stock prices declined during the great recession, it caused aggregate demand to decrease because?

During the recession, the prices of the shares decrease and cause the decrease of aggregate demand because there are alterations in the economy of the consumers and in the policies of production and prices of the companies and producers. The change in the distribution of income within the economy when the wages and salaries of consumers rise there is an impact on the economy that produces unemployment or reduction of wages due to a recession and the demand for products is significantly reduced.