Tags OSC SSC approves merger of two securities companies Saturday, Jul 12, 2014 The State Securities Commission on Thursday approved the merger of Viet Nam International Securities (VISE) and the Dai Tay Duong Securities Joint Stock Company (OSC). HNX issues warning on stocks Friday, Apr 04, 2014 The Department of the Hanoi Stock Exchange (HNX) put a bunch of shares on the warning list based on their companies'' business results.