174 The Stock Market Crash—dAnd After
boosted to the injury of that industry and all related
industries.
American industry has reached its present state of
unprecedented efficiency and prosperity, and the
American stock market has reached a new and probably
 permanent level of higher prices of securities,
partly through the recognition, however dimly, of
the fact that, while workers and employers have differences
 of viewpoint and of interest, their aims are,
in the main, in harmony rather than in conflict.