I wonder if they raised margin requirements to suppress prices. Gold is also down sharply. The US agrees to ship food to North Korea. I will add more news as I find it.
G-20 asks Europe to put more money in the pot and they will add 2 trillion to bail out Europe.
I suspect this is a sell-off of paper silver rather than bullion. This coming friday will be a good day to have your silver purchases made by, after that in a week or 2 it will be back up again.