While book value reflects what a business is worth according to its financials (its books), market value is the worth of a company according to financial markets – also known as its market capitalization. The calculation for market value is the current market price per share multiplied by the total number of outstanding shares.

RSI stands for the relative strength index. It is a key tool used in technical analysis, assessing the momentum of assets to gauge whether they are in overbought or oversold territory.

In trading, a rollover is a process of keeping a position open beyond its expiry.

Return on capital employed, or ROCE is a long-term profitability ratio that measures how effectively a company uses its capital. The metric tells you the profit generated by each dollar (or other units of currency) employed.

The Regulatory News Service, or RNS, is responsible for disseminating regulatory and non-regulatory information on behalf of UK businesses and publicly listed companies. Operating as part of the London Stock Exchange (LSE), the RNS provides businesses with information that can help them to comply with their disclosure obligations.

Indices trading is the means by which traders attempt to make a profit from the price movements of indices.

In trading, an index is a grouping of financial assets that are used to give a performance indicator of a particular sector. The plural term is indices.

When a trader sells an asset at a lower price than they initially paid for it, they have incurred a capital loss. As such, the capital loss is the opposite of capital gain: the profit made when an asset is sold for more than originally paid.