Sept. 17 (Bloomberg) -- American International Group Inc. fell 30 percent on speculation the government's takeover will ultimately wipe out shareholders. AIG dropped $1.14 to $2.61 at 9:39 a.m. in New York Stock Exchange composite trading. The U.S. plan to save the New York- based company, the nation's largest insurer by assets, may give the government an 80 percent stake in return for an $85 billion loan, and dividends may be halted to common and preferred stockholders. They're already reeling from a 94 percent drop in the common shares this year. The ``punitive'' interest rate on the two-year loan ``makes it extremely clear that this is not a subsidy extended to keep the company afloat but rather a stranglehold that makes AIG unviable while ensuring that its obligations will be met,'' said Marco Annunziata, an analyst at UniCredit SpA, in a note to clients. ``This is to all extents and purposes a controlled bankruptcy.