A brief in "Investment Advisor" magazine, entitled "Warren Buffet's 10 Nuggets of Investing Wisdom: 2019 includes the comment, "At year-end, Berkshire held $112 billion in Treasury bills and other cash equivalents. The company has pledged to keep an 'untouchable' $20 billion buffer. 'Berkshire will forever remain a financial fortress,' Buffett said. Though he may have 'expensive mistakes' and miss opportunities, he 'will never risk getting caught short of cash.'"