is the rule that one can't short on down tick still in force?

[jetq]

or it's gone which contribute this kind of slide.

 

[cstfx]

http://www.sec.gov/rules/final/2007/34-55970.pdf

 

[zdreg]

Quote from jetq:

or it's gone which contribute this kind of slide.

for someone who knows so little about the stock market you are very quick to offer your opinion on a subject which you know little about.