CTC [IFM Investments] SC 13G: (Original Filing)
[CUSIP No. 45172L209 1. Names of Reporting Person CRCM Institutional Master Fund (BVI), Ltd. I.R.S. Identification Nos. of above persons (entities only) 2. Check the Appropriate Box if a Member of a Group (See Instructions) o (a) (b) þ The reporting persons making this filing hold an aggregate of 818,360 ADSs, which is 5.50% of the class of securities. The]