The top ten companies in theb 500, going back every single decade. They all change, all of them, every decade. G was in there for a couple decades. G is now out of the dow. A microsolt has stayed in there for 20 years. Apple has as well. But the likelihood that they're just going to stay in the top tin u becomes unlikely. The law would start to disqualify a lot of large firms with 40% or more growth over forty year period.