The flash crash was not high frequency trading, it was high velocity trading.
Apple introduced its version, called Fusion Drive, that tiers storage on flash memory or a HDD depending upon frequency of use, but appearing to the user as a single storage device.
The move was mirrored by other high-frequency firms, making the "flash crash" worse, since the firms were no longer standing ready to buy stocks other investors were selling.
The issue becomes just the latest in a long list of issues the SEC is examining regarding the current U.S. market structure, right up there with high frequency trading, dark pools, flash trading, market access, and trade tracking and reporting.
The flash-crash report provides some vindication for high-frequency trading firms, which had been widely blamed for the mayhem that day.
ECONOMIST: The post mortem into the stockmarket slide of May 6th
This year, regulators have focused on the role high-frequency traders played in the May 6 "flash crash, " when some of the fast-moving firms stepped away from the market during the height of the turmoil.
WSJ: In Fast-Trading Trial, Protection for Goldman Sachs Secrets
Garments are fitted with interactive screens and RFID (radio frequency identification) tags, which mean that customers can flash clothes in front of interactive screens to see how a handbag detail or raincoat lining is made.
The SEC is proposing a ban on flash trading along with other issues grabbing headlines, like direct market access for high-frequency traders.
High frequency trading has been scrutinized in recent years because of its links to financial scares like the Flash Crash.
The exact cause of the Flash Crash of May 6, 2010 will most likely never be known, but most believe the use of high frequency trading as being a central culprit (no matter what the SEC might say).
应用推荐