The company logo of Chinese developer Country Garden is pictured at the Shanghai Country Garden Center in Shanghai, China August 9, 2023. REUTERS/Aly Song/File Photo HONG KONG, Aug 14 (Reuters) - Chinese property giant Country Garden's (2007.HK) debt problems deepened after its onshore bonds were suspended, sending its shares plunging 16% to a record low on Monday in a fresh blow to policymakers trying to shore up confidence in a stuttering economy. Markets remain jittery as the trouble in China's largest private property developer could have a chilling effect on homebuyers and financial institutions, further dampening the prospect of a...