Berkshire Hathaway operating earnings soar 39% as Buffett’s cash hoard swells to record $188 billion CNBCBerkshire has record profit, cash soars to $189 billion as Apple stake sinks Yahoo FinanceBerkshire Hathaway’s cash pile hits new record as Buffett dumps stocks Financial TimesBerkshire Hathaway Adds to Cash Stockpile, Operating Income Improves in Q1 InvestopediaBuffett’s Berkshire Says Cash Hits Record as Earnings Gain Bloomberg