From Wikipedia, the free encyclopedia

Aftermarket may refer to:

• Aftermarket (automotive), the addition of non-factory parts, accessories and upgrades to a motor vehicle.
• After-market (general), any market where customers who buy one product or service are likely to buy a related, follow-on product. For example, customers who install a software package will constitute an after-market for software support services
• Aftermarket (finance) or Secondary market is the financial market for trading of securities that have already been issued.

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