1. First, US tariffs kicked in
'Reciprocal' tariffs on many trading partners came into effect as the clock ticked past midnight into Wednesday, including a total of up to 104% on some Chinese goods.
2. Then China bites back
The Chinese response was initially verbal and via a white paper that argued trade between the two countries is "roughly balanced", before it also retaliated with an 84% tariff on US goods.
3. Trump inflicts £10 billion blow on the UK drug sector.
A threat from the US President of "a major tariff on pharmaceuticals" sent shares in the UK's drug giants spiralling lower.
4. 'Armageddon' cries tech analyst
Likened to the infamous Smoot-Hawley tariffs of 1930 that helped deepen the Great Depression, analysts said the disruption of the tariffs on US tech companies will be severe.
5. JD warns that volatile trading likely, but impresses market
The FTSE 100-listed sportwear retailer's update was closely watched as the sector is one of those caught in the crossfire of US-China trade tensions.