Oil prices plummeted to their lowest levels since 2021 due to new U.S. tariffs announced by President Trump and increased output by OPEC+. Brent and WTI futures fell significantly, marking their largest weekly losses in six months. Oil prices plummeted to their lowest levels since 2021 due to new U.S. tariffs announced by President Trump and increased output by OPEC+. Brent and WTI futures fell significantly, marking their largest weekly losses in six months. Economic Times