Delta Air Lines entered e-business with much aplomb when it agreed to provide Priceline.com with its excess inventory (seats on planes) in exchange for a 10% equity position. When Priceline stock soared, Delta sold part of its holding for $750 million. Delta management recognized that e-business...

Like most financial institutions, Chase Global Markets (now part of J.P. Morgan Chase) found that e-business opportunities challenged its core business model. The Global Markets business serves large institutional investors (as opposed to individual investors) and thus handles very large...