Warren Buffett's Berkshire Hathaway navigated the choppy financial seas of Q3 with a remarkable cash reserve, hitting a record $157.2 billion despite the broader stock market taking a downturn. The company's strategy, concentrating on short-term Treasury bills, reaped benefits as interest income surged due to rising rates, positioning Berkshire for potential large-scale acquisitions, as suggested by vice chairman Charlie Munger.