Stress analysis of a market ... does this explain Facebook's IPO issues? By joe May 26, 2012 - 1 minutes read - 37 words c.f. this post at ZeroHedge. In case you haven’t guessed it, ZeroHedge does not like HFT aka algorithmic trading. Its an informative blog … sometimes bordering on alarmist … but for the most part, a good read.