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NASDAQ Symbology Change

2007-12-14 03:18:47 by RSnake in ha.ckers.org web application security lab
 
...NASDAQ. For those of you who dont follow this kind of stuff, the old ticker symbols constituted a fairly small subset of possible combinations. The symbology change was designed to allow greater flexibility in the future of the naming conventions (think about it being like the difference between IPv4 and IPv6 in the stock market). Click here...
 
Tags: symbology, symbology change, characters, legal characters, special characters, nasdaq, ticker symbols, stock market, millions
 
 
 
 
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Clouding and Confusing the CEP Community

2008-04-20 11:16:38 by Greg Reemler in The Complex Event Processing Blog
 
...NASDAQ is an event cloud Why Because a streamof market data is a linear ordered set of data related by the timestamp of each transaction linked (relative speaking)in context because it it Citigroupmarket data. So, event processing software canprocess a stream of market data,perform a VWAP if they chose, and estimate a good time to enter and...
 
Tags: event cloud, event, event relationship, event data, event stream, event types, event streams, streamof market data, market data
 
 
 
 
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ArcSight IPO goes against the tide

2008-02-14 22:05:28 by HASH0x8baad70 in StillSecure, After All These Years
 
...NASDAQ was off 1.74%. Opening at 9 dollars a share (the low end of their expected range), they closed at 8.78, bouncing off an intra day low of 8.07 OK not an auspicious start, but I think they deserve credit for putting the ship out in this storm. I remember when I was at Interliant and we were planning our IPO. Trying to time the market is...
 
Tags: intra day low, low, day, ipo, public markets, bad day, include purely selfish, current security monoliths, time
 
 
 
 
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ArcSight IPO goes against the tide

2008-02-14 23:03:38 by ashimmy in StillSecure, After All These Years
 
...NASDAQ was off 1.74%. Opening at 9 dollars a share (the low end of their expected range), they closed at 8.78, bouncing off an intra day low of 8.07 OK not an auspicious start, but I think they deserve credit for putting the ship out in this storm. I remember when I was at Interliant and we were planning our IPO. Trying to time the market is...
 
Tags: intra day low, low, day, ipo, public markets, bad day, include purely selfish, current security monoliths, time
 
 
 
 
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Data Mining to Detect Pump-and-Dump Scams

2008-08-14 06:10:34 by schneier in Schneier on Security
 
...Nasdaq all of a sudden trades a penny stock that has to do with health care and is placing a trade four times more than normal This is a good use of data mining because, as I said previously: Data mining works best when there's a well-defined profile you're searching for, a reasonable number of attacks per year, and a low cost of false...
 
Tags: stock, penny stock, restrictive stock, data, trades tech stock, trades, fraud detection kit, alerts anti-fraud teams, trade
 
 
 
 
 
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Sergey Zarubin, 31yo
CISSP, CCSP
Moscow, Russia