A share is a form of security that indicates that the owner has proportional ownership of the issuing corporation and is traded predominantly on stock exchanges.
Stock screeners are tools that allow investors and traders to sort through thousands of individual securities to find those that fit their own methodologies.
Stop orders are orders that are triggered when a stock passes a certain price point. Beyond this price, stop orders are converted into market orders, which are filled at the best available price.
Tick size - the minimum change in the price increment of a trading instrument.
– Tick sizes used to be in fractions (e.g. 1/16th of $1), but today they are mostly decimal based and expressed in cents.