Arrayit Corporation (ARYC)

[MikeCr]

This clears the confusion. Yahoo, Scottrade and other financial websites are incorrectly listing ARYC as ARYC:Pink OTC Markets. It should be ARYC:OTCQB.
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Per Arrayit Investors relations: Arrayit recently gained a dual listing on the OTCBB and OTCQB (OTO). Some market makers prefer the OTCQB because they can trade electronically rather than over the telephone and because access to second level quotations is free of charge (see attached). They believe the dual listing will have a positive impact on shareholder value by making it easier to trade shares of ARYC
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I found this information....Pink Markets launched the OTCQB Marketplace for U.S. Registered and Reporting OTC Securities
Read below.

OTCQB Marketplace Launched by Pink OTC Markets
New OTC Market Tier Launched for all U.S. Registered and Reporting OTC Securities

NEW YORK, April 5 /PRNewswire-FirstCall/ -- In an effort to better distinguish OTC securities that are registered and reporting with U.S. regulators, Pink OTC Markets Inc. (OTCQX: PINK), today announced the creation of the OTCQB™ marketplace. This new comprehensive OTC market tier will include the securities of over 768 SEC reporting companies and banks formerly designated as Pink Sheets® stocks, in addition to the 3050 securities that are currently quoted in both Pink OTC Markets' electronic interdealer quotation system and FINRA's OTCBB™....

http://www.prnewswire.com/news-releases/otcqb-marketplace-launched-by-pink-otc-markets-89903542.html