A stellar year for the stock market is coming to a close and money-managers are looking ahead to what 2022 might have in store. But worries persist, including the perennially nagging question of whether the stock market is overvalued and in a bubble. Sébastien Page, head of global multi-asset at T. Rowe Price, talks about his views on that, his team’s current strategy, the need for diversification and his year-ahead outlook.