South Korean retailers' sentiment for the second quarter stayed strong on hopes of a recovery in domestic demands, with the index hitting a new high since the third quarter of 2011, a poll showed Tuesday. According to the poll of 943 retailers by the Korea Chamber of Commerce and Industry (KCCI), the country's biggest business lobby group, the Retail Business Survey Index for the April-June period came in at 113, up nine points from the January-March period.