An e-wallet, or digital wallet, is an electronic device or online service that allows individuals to make electronic transactions. This can include purchasing items online with a computer or using a smartphone to purchase something at a store.

Earnings before interest, taxes, depreciation and amortisation, also known as EBITDA, is a widely-used earnings metric that assesses a company’s operating performance by excluding non-operating costs like interest, taxes, depreciation, and amortisation from net income.

The earnings response coefficient (ERC) measures how much a company's stock price responds to unexpected earnings announcements, indicating the degree to which earnings information is reflected in the company's stock price.

EBITDA, or earnings before interest, taxes, depreciation and amortisation, is a common metric for earnings relating to a company’s operating performance. It excludes non-operating costs such as interest, taxes, depreciation, and amortisation from net income.

Economics is a discipline that studies how people and societies choose to allocate scarce resources, incorporating how goods and services are produced, distributed and consumed, as well as the supply and demand forces that dictate their price patterns.

Electronic trading uses computer technology to bring buyers and sellers together in financial markets, rather than trading via human negotiation. It allows for faster, more efficient, and often more cost-effective trading.

An endowment fund is a financial asset, typically established by a foundation, non-profit, or educational institution, where funds are invested to generate earnings. The earnings are used for specific purposes as per the fund’s guidelines.

Equity, in reference to the ownership of an asset, refers to the amount of money the owner of an asset would have after it was sold and any debts associated with it were paid off.

Equity risk is the risk inherent in investing cash in a company's stock, as opposed to investments considered lower risk, such as government bonds.

An equity stake refers to a shareholder's ownership in a business, which is often expressed as a percentage. Those holding an equity stake often have a say in how a company is run and, in some cases, even vote on important matters such as electing board members or making major business decisions.

The concept of equity in finance refers to the ownership value in a firm, represented by the shares issued by the company. It is the amount that shareholders would receive after debts are paid off if the company's assets were liquidated.

An ETF, or exchange-traded fund, is a type of tradeable security that comprises a basket of assets, such as commodities or shares, and is a way of taking a position and gaining exposure on a wider range of markets in one transaction.

Exchange traded products, or ETPs, comprise a family of securities that are traded on stock markets just like a common share and are traded intraday. Generally, ETPs are created in order to track a financial instrument, whether a share-price index, a currency, a commodity or an interest rate. The best-known ETPs are exchange-traded funds or ETFs.

Expected return refers to the anticipated return on an investment or trade based on the historical rates of return. The expected return is calculated by multiplying the potential outcomes of profit or loss with the probability of these events occurring and then totalling the results.

External financing is the process of raising capital through selling shares, bonds, or other instruments, outside of the business's internal operations.