HONG KONG -- Hong Kong's new scheme for trading yuan-denominated shares makes its debut on Monday at a difficult time, with the falling value of the Chinese currency undercutting efforts to promote its use in international finance.

Under the new scheme, foreign investors will get a chance to trade yuan-denominated shares in 24 Hong Kong-listed companies. (Source photos by Kenji Kawase and AP)
Chinese currency's fall undercuts effort to promote use by foreign investors