By Scott Patterson
A news-breaking account of the worldwide inventory market's subterranean battles, darkish swimming pools portrays the increase of the "bots"- artificially clever platforms that execute trades in milliseconds and use the canopy of darkness to out-maneuver the people who've created them.
In the start used to be Josh Levine, an idealistic programming genius who dreamed of wresting regulate of the industry from the large exchanges that, many times, gave the enormous associations a bonus over the little man. Levine created a automatic buying and selling hub named Island the place small investors swapped shares, and through the years his invention morphed right into a international digital inventory marketplace that despatched trillions in capital via an unlimited jungle of fiber-optic cables.
By then, the marketplace that Levine had sought to mend had grew to become the wrong way up, birthing secretive exchanges referred to as darkish swimming pools and a brand new species of buying and selling machines that may imagine, and that appeared, ominously, to be slipping the regulate in their human masters.
Dark swimming pools is the interesting tale of ways international markets were hijacked by means of buying and selling robots--many so self-directed that people can't expect what they'll do subsequent.
Read Online or Download Dark Pools: High-Speed Traders, A.I. Bandits, and the Threat to the Global Financial System PDF
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Additional info for Dark Pools: High-Speed Traders, A.I. Bandits, and the Threat to the Global Financial System
Appendix A-I presents an excerpt from Varian Associates' LIMS/DM User's Manual. " They are presented here because they provide an excellent description of status. We note also that a sample isn't the only LIMS object to which a status is assigned. Tests also carry a status indicator. Reviewing these sections gives us an appreciation of the intricacies involved in LIMS sample management. It also provides a fairly in-depth look at sample flow within a LIMS. Introduction to Laboratory Information Management Systems 43 Referencing these sections in this introductory chapter may be like learning how to swim by jumping into to-feet-deep water, but they give us a quick look at many LIMS functions.
ACCESS*LIMS" Varian, "LIMSIDM" VG Laboratory Systems Limited, "Sample Manager" The purpose of the comparisons throughout is mainly to point out similarities between LIMS packages and to highlight unique features. By looking at these differences and similarities, we can better understand 39 40 LIMS Functions the objectives of particular functions and features. There is no intention of suggesting that any LIMS is in any way better than another. Every laboratory operates differently because of the variations among lab operators, analysts, and managers.
The ability to provide or accommodate automatic results entry is one of the two most important features of a LIMS. When the first test result for a sample is entered, the sample's status changes from "in lab" to "under test". " Results Verification. All test results (or interpretations) produced in a testing laboratory should be reviewed and approved before being issued. The review may be performed by the analyst who produced the result(s), another lab member, or the lab manager. Regardless of who is authorized to review and approve results, most LIMS generally provide means to ensure adequate control over data integrity.