Warren Buffett and Li Ka-shing are two of the world’s most revered investors. Now in their 90s, both are hoarding cash. Is it an omen of a major financial downturn? Warren Buffett and Li Ka-shing are two of the world’s most revered investors. Now in their 90s, both are hoarding cash. Is it an omen of a major financial downturn? Business / Markets Sydney Morning Herald – Latest News