included For purposes of this section— (A) In general The term indexed asset includes common stock in a foreign corporation which is regularly traded on an established securities market. (B) Exception Subparagraph (A) shall not apply to— (i) stock of a foreign investment company, (ii) stock in a passive foreign investment company (as defined in section 1296), (iii) stock in a foreign corporation held by a United States person who meets the requirements of section 1248(a)(2), and (iv) stock in a foreign personal holding company. (C) Treatment of American depository receipts An American depository receipt for common stock in a foreign corporation shall be treated as common stock in such corporation. (d) Indexed basis For purposes of this section— (1) In general The indexed basis for any asset is— (A) the adjusted basis of the asset, increased by (B) the applicable inflation adjustment. (2) Applicable inflation adjustment The applicable inflation adjustment for any asset is an amount equal to— (A) the adjusted basis of the asset, multiplied by (B) the percentage (if any) by which— (i) C-CPI-U for the last calendar month ending before the asset is disposed of, exceeds (ii) C-CPI-U for the last calendar month ending before the asset was acquired by the taxpayer. The percentage under subparagraph (B) shall be rounded to the nearest 1/10 of 1 percentage point. (3) C-CPI-U (A) In general The term C-CPI-U means the Chained Consumer Price Index for All Urban Consumers (as published by the Bureau of Labor Statistics of the Department of Labor). The values of the Chained Consumer Price Index for All Urban Consumers taken into account for purposes of determining the cost-of-living adjustment for any calendar month under this subsection shall be the latest values so published as of the date on which such Bureau publishes the initial value of the Chained Consumer Price Index for All Urban Consumers for the month which precedes such calendar month by 4 months. (B) Determination for calendar month The C-CPI-U for any calendar