<Tr> <Th> Majority </Th> <Td> Harlan, joined by Day, Brown, McKenna </Td> </Tr> <Tr> <Th> Concurrence </Th> <Td> Brewer </Td> </Tr> <Tr> <Th> Dissent </Th> <Td> Holmes, joined by Fuller, White, Peckham </Td> </Tr> <Tr> <Th_colspan="2"> Laws applied </Th> </Tr>

How would you describe the importance of the decision in the northern securities case