The price-to-earnings (P/E) ratio, also known as the the price or earnings multiple, measures a company's current share price relative to its per-share earnings.| Investopedia
A broker is an individual or firm that charges a fee or commission for executing buy and sell orders for securities that are submitted by an investor.| Investopedia
A stop-limit order is a conditional trade over a set time frame that combines features of stop with those of a limit order and is used to mitigate risk.| Investopedia