IBM

In the mid-2000s, Big Blue was king of the tech world. The company’s stock price hit an all-time high in 2001, and its earnings that year were higher than they had been in 25 years.The company ranked third place on the Fortune 500 list, behind only ExxonMobil and General Motors. And then it all came crashing down.By the end of 2014, IBM no longer made the Fortune 500 list at all––a stunning drop from 33rd place just five...