American Bio Medica Corp (ABMC)

[The Rainbow]

To clarify what the recent $ABMC filing for up listing means:
OTCQB Certification - OTCQB Certification 11/12/2020


OTC Markets Group Inc. (OTCQX: OTCM) operates financial markets for 11,000 U.S. and global securities. We organize these securities into three markets based on the quality and timeliness of information a company provides to investors: the OTCQX® Best Market, the OTCQB® Venture Market, and the Pink® Open Market. We utilize the power of technology to make markets more efficient, empowering a broad range of companies to improve their investor experience - all without the cost, complexity and resource drain common with an exchange listing.

https://www.otcmarkets.com/corporate-services