Also, there are plenty of times the market finishes its trading session early. Trading volume has a tendency to become decrease quickly before vacations and rises instantly after holiday seasons. This will include volatility on the market. These vacations are identical for the two the NYSE and Nasdaq. However, https://financefeeds.com/sucden-financial-hires-ex-uk-fca-bruno-almeida-to-lead-regulatory-and-financial-risk/