AIG Settles U.S. Fraud Charges for \$126 Mln  WASHINGTON (Reuters) - American International Group Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=AIG.N target=/stocks/quickinfo/fullquote"&gt;AIG.N&lt;/A&gt; agreed to pay \$126 million and appoint an independent  monitor to settle allegations it helped two companies  fraudulently inflate earnings, U.S. authorities said on  Tuesday.