Hong Kong proposes changes to stock market listing regime

* SFC given more power, CEO to sit on listing panel * Three month Consultation on proposals ends Sept. 19 * Proposal comes after investor frustration over current rules (Adds comment, context) By Michelle Price HONG KONG, June 17 (Reuters) - Hong Kong proposed changes to its stock market listing regime on Friday, in a move that could curb the regulatory powers of the city's stock exchange and hand more authority to the securities watchdog in one of the world's top destinations for new share issu