Coinspeaker Warren Buffett Builds Up His Cash, Sells Airlines Stocks in Q1 2020 amid CoronavirusBerkshire Hathaway had a record $137 billion in cash and equivalent instruments on its balance sheet at the end of Q1 2020. Meanwhile, Warren Buffett has decided to sell the airlines stocks.Warren Buffett Builds Up His Cash, Sells Airlines Stocks in Q1 2020 amid Coronavirus