I didn't say that the prices exploded, I said that (according to the maybe dodgy experts who I read/heard) they were practically guaranteed to explode. And by explode, I mean go up. But if SpaceX was only added to the index two days ago, maybe that might still happen. According to the same experts, the stock sale restrictions for pre-IPO holders were also changed for SpaceX, but I don't remember the specifics...