April 14 (Reuters) -* CHINA HAS STARTED PROCESS OF POTENTIALLY MERGING ITS TWO BIGGEST BROKERAGE FIRMS - BLOOMBERG NEWS* CITIC SECURITIES CO. AND CSC FINANCIAL CO. HAVE RECENTLY STARTED DUE DILIGENCE AND A FEASIBILITY STUDY ON HOW TO STRUCTURE DEAL - BLOOMBERG NEWS Source text for: https://bloom.bg/3cjzX0u Further company coverage: