What is the primary characteristic that distinguishes ETFs from mutual funds in terms of trading?

Which type of ETF aims to generate returns that are a multiple of the performance of their underlying index?

What is a key advantage of ETFs in terms of tax efficiency compared to actively managed mutual funds?

What is a potential drawback of investing in ETFs, particularly those with low trading volumes?

Which type of ETF is specifically designed to benefit from a decline in the value of the underlying market or index?