UPDATE 3-Freed Hong Kong democracy activist joins mass calls for leader to quit <!-- no image --> <div>* Changes to rule of law seen as threat to role of financial hub (Adds details, markets; paragraphs 5,7-13)<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=Cyok0ZI3ag4:oUEQoS5U29k:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=Cyok0ZI3ag4:oUEQoS5U29k:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=Cyok0ZI3ag4:oUEQoS5U29k:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=Cyok0ZI3ag4:oUEQoS5U29k:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=Cyok0ZI3ag4:oUEQoS5U29k:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/Cyok0ZI3ag4" height="1" width="1" alt=""></div> Posted by Reuters