Net fourth-quarter profits at JP Morgan’s investment bank matched the previous three months at $1.9bn (€1.3bn) as the division ended last year firmly back in the black.

The net quarterly profit marked a swing from the $2.4bn loss posted in the fourth quarter of 2008, helping JP Morgan to a $6.9bn full-year profit at its investment bank, according to its quarterly results released today. The previous year, the division had posted a $1.2bn net loss.