22 February 2022 | 16:07 Asia/Singapore Firms with many leaders over 60 tend to underperform: NUS Study Money 89.3FM, 22 February 2022The Straits Times, 23 February 2022, Business, pB7The Business Times, 23 February 2022, p10Lianhe Zaobao, 23 February 2022, p22