EPAMarkets are reeling from US President Donald Trump’s tariff announcements, but the American leader is standing by his decisions, defending his policies and saying “sometimes you have to take medicine to fix something”.
Experts answered some of the questions you sent us as the world tries to make sense of the turmoil and wonders how long it will continue.
Read their answers below.
How does a stock market index work?
Simon Jack, the BBC’s business editor, said the FTSE 100, which represents the 100 biggest companies publicly listed in the UK, were all “put in a big bucket back in 1984” and given a certain weighting in that bucket depending on how big those companies were.
The stock market is a reflection of their total value over time. The bigger the company, the more weight it has in the index. For example, an AstraZeneca or an HSBC has more weight than others.
It works the same in the US with the S&P500, which is made up of the 500…
