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Questor Technology Inc. (QST)
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Xebec Adsorption Inc. (XBC)
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Barclays Bank PLC ZC SP ETN REDEEM 08/09/2049 USD 50 (GRN)
Q: Can you briefly describe the difference between these three companies? Their work seems to overlap but QST is struggling since the pandemic. Which one is most investible now for the next three years?