Sharp declines after Trump's decision, Kaczyński questioned, arrest quashed

The largest stock marketplace indices on Wall Street fell sharply after US president Donald Trump announced tariffs. PiS president Jarosław Kaczyński appeared at the prosecutor's office. The temporary arrest of Anna W., a fishy in the investigation into irregularities at the Government Agency for strategical Reserves, was lifted. Here are 5 things to know on Friday, April 4.