CNH Tracker-Devaluation fears grow amid China currency drop

By Saikat Chatterjee HONG KONG, May 8 (Reuters) - The recent weakness of the Chinese currency has fanned debate on whether a currency devaluation is on the cards. The reason for this line of thinking is fairly well known. Faced with few options without fueling a buildup to the pile of non-performing loans, Beijing may weaken the currency by buying dollars, throwing its exporters a lifeline and using the growth pickup and surge in yuan interbank liquidity from its aggressive interven