An analysis of intraday patterns in bidrask spreads for NYSE stocks. Journal of Finance 47, 753-764. Niemeyer, J. If the stock soared, the options alone could be worth more than 10 years' base salary. It didn't take a rocket scientist to figure out what would happen if the company's stock dropped, for instance, by 30 percent: The big cheeses would lose one-third, one-half, or even two-thirds of their personal wealth. = , using the definition of TFP from note 4.