LONDON May 9 Trading house Mercuria reported lower core earnings and net profit for 2013, citing a tougher trading environment and higher one-off investments to help accommodate the trading business of Wall Street bank JP Morgan .
Core earnings declined 7 percent to $562 million and net profit fell 11.7 percent to $273 million on revenues of $112 billion, up 14 percent on 2012.
The company has seen one-off investments of $370 million as it accelerated investments in IT, risk management and compliance and hired 100 new staff, Chief Financial Officer Guillaume Vermersch said. (Reporting by Dmitry Zhdannikov; editing by Jason Neely)
UPDATE 1-Japan's Q3 aluminium premium eases to $118-119/T - sources
* Producers' initial proposals were at $123-128/T (Adds comments and details)