The sale looks less like a call on fundamentals and more like a reminder that position sizing and opportunity cost still matter.On November 14, California-based Global IMC disclosed it sold out its entire position in American Healthcare REIT (AHR +0.96%), a move valued at approximately $8.16 million.What HappenedAccording to a U.S. Securities and Exchange Commission (SEC) filing dated November 14, Global IMC LLC sold all 222,038 shares of American Healthcare REIT (AHR +0.96%). The estimated transaction valu ...