Investigators with the SEC are examining if banks and companies are using the bond deals to hide risks illegally, the newspaper reported, citing sources close to the matter.

The securities are packages of corporate loans and debts that are assembled and sold by Wall Street Banks to investors. They have gained in popularity after the financial crisis as investors chase riskier investment products. (WSJ story: http://link.reuters.com/vuj87v)

The SEC is also investigating whether a number of banks including Barclays (>> Barclays PLC) , Citigroup (>> Citigroup Inc) , Deutsche Bank AG (>> Deutsche Bank AG), Goldman Sachs Group (>> Goldman Sachs Group Inc), Morgan Stanley (>> Morgan Stanley), Royal Bank of Scotland (>> Royal Bank of Scotland Group plc) and UBS AG (>> UBS AG) have been cheating their clients by mispricing certain bond deals.

The SEC was not immediately available for comment outside of normal business hours.

(Reporting by Narottam Medhora in Bangalore; Editing by Lisa Shumaker)