The group proceeded to do no wrong throughout much of the 2010s, scoring its largest ever acquisition in 2014 when it purchased aircraft parts company Precision Castparts for $32.4 billion (£24.8bn). Berkshire Hathaway stock continued to perform brilliantly until last year when analysts began to question why the conglomerate failed to make any major buys despite sitting on a record $128 billion (£97.9bn) cash pile.

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