RoschetzkyIstockPhoto This article was co-produced with Wolf Report. It's been some time since we've looked closely at Simon Property Group, Inc. (NYSE:SPG); however, the time has come for an update on the company for a basic reason - the company recently hit my highest-level rotation target, the target that would mark the REIT as a "HOLD" for me, when it moved over $150/share. Why do I view this as such an important limit, and why do I think the company is now a "HOLD" and it should no longer be bought ...