Market statistics are not the same as probabilities

Some of the most popular financial blogs make it their business to dazzle readers with reams of statistics (not mentioning names, Bespoke) for free, because that’s all they’re worth. But still, somebody’s bills are getting paid polishing these turds.
Today was supposed to be Lucky Tuesday, just because the Dow “has been up in each of the past 20 Tuesdays, the longest Tuesday streak ever. The only down Tuesday this year came on Jan. 8.”
WSJ live blogged it all day.