To (cause something or someone to) move suddenly and violently. (Cambridge Dictionary)
An abrupt, sharp, jerky blow or movement. (Merriam – Webster)
A sudden feeling of shock, surprise, or disappointment. (Merriam – Webster)
An event or development causing such a feeling. (Merriam – Webster)
Push or shake (someone or something) abruptly and roughly. (Oxford Dictionaries)
Give a surprise or shock to (someone) in order to make them act or change.(Oxford Dictionaries)
Jolt to markets is better explained by CNBC’s world.