Goldman leads Wall Street bulls as markets ride high

Investor sentiment is upbeat but some strategists point to reasons for caution. This week, the Dow Jones Industrial Average crossed 30,000 for the first time, while the S&P closed at a record high. The 'positive' outlook we are seeing across markets might be due to a combination of factors: vaccine news, the likeliness of Janet Yellen being the next US Treasury secretary, and Donald Trump looking closer to conceding. But, is it all just short-lived euphoria? Katie Martin analyses in the Financial Times.