New York Stock Exchange: For Wall Street, the biggest concern coming out of the current battles is that they will force the US government to pay more to borrow money. photograph: brendan mcdermid/reuters

While investors were cheered on Wednesday by a last-minute agreement to raise the US borrowing limit and end the government shutdown, their relief was(...)

Investors are feverishly speculating on Twitter’s impending stock market flotation, valuations of $10-20 billion (€7.4-€14.7 billion) being bandied ab(...)

Stocktake

Uncertainty in Syria has already hit global markets. Might a serious escalation of tensions hammer stocks?Unlikely. One famous study, What Moves Stock(...)