If the selling price is $30, will you get $30 for every share.
They say that the stock price depends on profitability of the company, and also how many shares have been sold. Therefore, if a person sells 1 million shares of XYZ, will he/she get $30 million dollars back from XYZ, or will he/she end up getting less since the value of the company is decreasing as the shares are being sold.