Besides electricity (answered above), there were bubbles related to steel production in its early days intertwined with the railroad bubble that drove huge inve

Besides electricity (answered above), there were bubbles related to steel production in its early days intertwined with the railroad bubble that drove huge investments in steel production for railroad development; when the railroad companies crashed it brought down steel as well; ultimately both survived in a more subdued form (as with the dot coms). avation: likewise there was the "Lindberg Boom" https://en.wikipedia.org/wiki/Lindbergh_Boom https://en.wikipedia.org/wiki/Lindbergh_Boom which led to overspeculation and the crash of many early aviation companies