Uptick

What Does Uptick Mean?
A transaction occurring at a price above the previous transaction. In order for an uptick to occur, a transaction price must be followed by an increased transaction price. This term is commonly used in reference to stocks, but it can also be extended to commodities and other securities.

Investopedia explains Uptick
For example, suppose stock ABC previously traded at $10. If its next trade occurred at a price above $10, ABC would be on an uptick.