成人小说亚洲一区二区三区,亚洲国产精品一区二区三区,国产精品成人精品久久久,久久综合一区二区三区,精品无码av一区二区,国产一级a毛一级a看免费视频,欧洲uv免费在线区一二区,亚洲国产欧美中日韩成人综合视频,国产熟女一区二区三区五月婷小说,亚洲一区波多野结衣在线

立即打開
Yesterday's market swerve: fat fingers, glitch, or cyber-warfare?

Yesterday's market swerve: fat fingers, glitch, or cyber-warfare?

Paul Smalera 2010年05月12日

????We shouldn't be so sanguine about taxes and impediments to high-frequency trading if we are upset when high-frequency traders leave the market. Those are incompatible ideas.

????As a side point: traders have stop loss levels; one big move triggers other moves. There are systematic, discretionary, and plain-old panic trades.

????But for all of those styles and programs, once they see the stock market fall 6%, a liquidation effect takes hold. That's just a function of people. Someone screams fire, and if enough people start running, everyone will. Those are the dynamics of computer software, people, animals, fires, whatever. It's how we work. That kind of stampeding effect could easily be part of the response.

????But the speed of the market falling down, going back up, and partway back down again? If this was really a stampede, why not repeat the 1987 crash [which kept going]? Nothing 'stopped' this crash except that the catalyst seemed to have ended.

????If it was an error or a software bug, it stopped. If it was a hack, the hackers left. In other words, the enabling side of this drop is totally irrelevant [to the catalyst]. The only interesting thing here is the catalyst. If this was a gas pedal that was stuck, it would've looked differently, kept going.

????Whether this was intentional or unintentional, it happened all at once. If it was an intentional [attack], then the question is, was it a demonstration, a test, or the attack itself? Whatever it was, we didn't stop it. It stopped itself.

掃碼打開財(cái)富Plus App
欧洲久久精品亚洲一区二区三区浴池| 人妻系列无码专区五月天| 国产午夜福利精品集在线观看| 精品无码久久久久久尤物| 国产精品高清一区二区三区| 精品21国产成人综合网在线| 成人特级毛片全部免费播放| 久久婷婷色综合网站| 亚洲国产精品三级片∧v卡在线| 亚洲国产欧美精品一区二区三区| 免费无码αv片在线观看潮喷| 伊人久久成人成综合网| 91精品人妻色诱久久av| 日本韩国欧美亚洲国产中文| 中文字幕乱码一区久久麻豆樱花| 日韩免费无码视频一区二区三区| 国产精品另类激情久久久免费| 色噜噜综合亚洲av中文无码| 国产一级A片无码免费2019| 中文字幕人成乱码在线观看| 国产亚洲Av综合人人澡精品| 日韩精品无码观看视频免费| 亚洲国产精品一区二区成人片不卡| 国产FREEXXXX性播放麻豆| 国产欧美一区二区精品每日更新| 中文字幕无码免费久久| JAPANESEHD熟女熟妇伦,啊轻点灬大JI巴太粗太长了| 亚洲国产午夜中文字幕精品黄网| 寡妇高潮一级毛片免费看| 国产人成视频在线免费观看| 精品视频人人妻人人爽人人| 在线播放国产一区二区三区| 日韩AV无码久久一区二区| 日本精品久久久中文字幕| 日本韩国男男作爱gaywww| 免费国产成人高清在线视频| 国产三级无码内射在线看| 国产2024国产高清国产高清| 无码精品动漫一区二区| 精品欧美一区二区精品久久| 日韩人妻熟精品久久无码少年阿宾|