I was going to write a post today about how liquidity in financial markets goes down as concentration of holdings goes up but then I woke up to the news of the mass shooting in Las Vegas last night. I have written extensively before about the need for better gun control, so won’t rehash that today other than to note that the statistics for 2017 show already over 11,000 deaths year-to-date. What yesterday’s mass shooting does make eminently clear yet again though is just how much damage and tr...