On December 13, 2012 at least 14 stocks (most being big-cap stocks) imploded in pre-market trading just seconds before the open. Not just 1 bad trade executed in each, but in most cases dozens. All of the bad trades were executed on the NASDAQ exchange.

Shown below are 2 charts for each 14 stocks. The first chart will show quotes and trades from all exchanges while the second will show only quotes and trades on the NASDAQ exchange.

HPQ - All quotes and trades


HPQ - Only NASDAQ quotes and trades


S - All quotes and trades


S - Only NASDAQ quotes and trades


C - All quotes and trades


C - Only NASDAQ quotes and trades


WU - All quotes and trades


WU - Only NASDAQ quotes and trades


KR - All quotes and trades


KR - Only NASDAQ quotes and trades


WFC - All quotes and trades


WFC - Only NASDAQ quotes and trades


GS - All quotes and trades


GS - Only NASDAQ quotes and trades


T - All quotes and trades


T - Only NASDAQ quotes and trades


HES - All quotes and trades


HES - Only NASDAQ quotes and trades


VTR - All quotes and trades


VTR - Only NASDAQ quotes and trades


RAI - All quotes and trades


RAI - Only NASDAQ quotes and trades


WMB - All quotes and trades


WMB - Only NASDAQ quotes and trades


CRM - All quotes and trades


CRM - Only NASDAQ quotes and trades


IBM - All quotes and trades


IBM - Only NASDAQ quotes and trades


How to read this chart

Nanex Ongoing Research