Morgan Stanley has pulled off a Wall Street magic trick

It's the magic trick every Wall Street bank dreams of: make costs disappear while retaining the revenues. 
It looks like Morgan Stanley pulled it off. The US investment bank reported earnings on January 17 that beat on the top and the bottom line. 
The outperformance was helped by a better-than-expected quarter from the fixed income, currencies and commodities division. Revenues came in at $1.5 billion, well ahead of the $1.01 billion expected by analysts, and down only marginally from