China and US agree to boost climate co-operation

China and the US have agreed to boost climate co-operation over the next decade, in a surprise announcement at the COP26 climate summit in Glasgow. The two countries released a joint declaration promising action. We get reaction from Jess Shankleman, an energy and environment specialist at Bloomberg. Electric carmaker Rivian Automotive, started trading on the Nasdaq exchange today. Shares in the company soared, boosting the market value of the firm to $100bn. The BBC's North America business correspondent Michelle Fleury has been following the story. Plus, Susan Schmidt of Aviva Investors on the rest of the day's trading on Wall Street.