RVPL didn't change venues. RVPL decided that getting quotes from the almost defunct OTCBB.com that keeps losing market share on a daily basis in terms of quotation services was no longer needed and that RVPL will only keep getting quotes from OTC Link owned by OTCMarkets.com that RVPL has been getting in the past.
Refer to this link and you will see they were dually quoted before (both Finra OTCBB and OTC Link) and now they only receive quotes from OTC Link since July 2, 2013.
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