Everyone is still trying to understand what happened on May 6. Stub quoting was certainly not the overall cause, but might help to explain why a few stocks went to a penny.
“If we end up with the trading curbs across all the trading exchanges that have been discussed, it would make this become a non-issue,” said Kevin McPartland, a senior analyst with research firm Tabb Group.
Full article at MarketWatch.com and WSJ.com