The last time the courts seriously weighed the wisdom of breaking up a giant technology company was a quarter-century ago, after Microsoft was found to have illegally stifled competition in personal computer software.
A U.S. District Court judge said yes to forcing Microsoft to split in two, separating its monopoly Windows operating system from its Office productivity products and other software. But an appeals court threw out the order, calling the breakup option “a remedy that is imposed only with great caution, in part because its long-term…
