Over time, conglomerates have generally limited themselves to buying businesses in their entirety . That strategy, however, came with two major problems. One was unsolvable: Most of the truly great businesses had no interest in having anyone take them over. Consequently, deal-hungry conglomerateurs had to focus on so-so companies that lacked important and durable competitive strengths. That was not a great pond in which to fish. Beyond that, as conglomerateurs dipped into this universe of mediocre businesses, they often found themselves required to pay staggering “control” premiums to snare
  
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