If capital markets are efficient, then: selected answer will be outomatically saved. For keyboard navigation, press up/down arrow keys to select an answer. a there is reason to believe that prices are too high or too low. b it is possible to profit regularly from publicly available information. c prices will adjust quickly to correctly reflect new information. d it is possible to find positive NPV projects. e historical price trends will give you a good idea of where prices are headed in the near future