knock-on effect

Christopher Dring, who writes about the gaming industry in The Game Business newsletter, said while Sony did not directly mention tariffs in its decision, their "knock-on effect" could have an impact on pricing worldwide.

"We are worried about the knock-on effects and copycat incidents," he said on Sunday.

However, his interventions have seen massive fluctuations in the stock market and raised fears of a decrease in global trade that could have a knock-on effect on jobs and individual economies.

Fuel prices then jumped sharply which had a knock-on effect on the rest of the economy.

Many people are affected by stock market falls - even if they don't invest in shares directly - because of the knock-on effect on pensions, jobs and interest rates.