Wells Fargo reported $5.1 billion in profit for the fourth quarter. Mortgage refinancings driven by low interest rates helped drive the 24 percent earnings increase,The New York Times reported. Wells Fargo reported $21.95 billion in revenue in the fourth quarter, up 7 percent from a year earlier. In this latest quarter, Wells Fargo reported earnings of 91 cents a share, which exceeded analysts’ expectations.  For the full year, the company reported recorded net income of $18.9 billion, up 19 percent from 2011.