How much did DAO hack cost?

I'm curious to know, could you elaborate on the financial implications of the DAO hack? I understand it was a significant event in the cryptocurrency world, but I'm wondering about the specific monetary value that was involved. Did it result in millions, tens of millions, or even more being lost? How did this impact the broader cryptocurrency market and investor sentiment? It seems like a crucial piece of information to understand the severity and aftermath of such a hack.