Unqualified opinion is an independent auditor's judgment on company's financial statements.

Unmatched book is an imbalance occurring when the maturity of bank's assets doesn’t match the maturity of its liabilities on the balance sheet.

Line of best fit is a line through data points plot that expresses the relationship between those points the best. 

Line chart is a graphical representation of an asset's historical price changes that connects a series of data points with a line. 

October effect is a market anomaly that stocks decline during October. 

Open-end fund is a diversified portfolio of pooled investors’ money that can issue an unlimited number of shares.

Market exposure is the dollar-worth amount of funds, or percentage of portfolio, invested in one type of security, market sector or even a particular industry. It is usually expressed as a percentage of total portfolio holdings.

Market efficiency is the degree to which market prices reflect all available and relevant information.

Voodoo accounting uses several accounting techniques to artificially boost the bottom line by inflating revenue or hiding expenses or even both. 

Visible supply is the amount of goods or commodities that are currently stored or transported and are available to be bought or sold. 

‘Go-go fund’ is a slang name for a mutual fund that has high-risk investment strategy focused on securities in an attempt to gain above-average returns. 

Global recession is a long period in economic decline all over the world. 

Collusion is a non-competitive, secret, and sometimes illegal agreement between rivals that aims to disrupt the market's equilibrium. 

Cost-push inflation happens when the prices for the finished products increase due to increase in the cost of wages and raw materials. 

Free cash flow yield is a solvency ratio that compares free cash flow per share a company is expected to earn against that market value of one share. 

Flat tax system is a system that uses the same taxation rate for every taxpayer no matter the income. 

Wirehouse describes a full-service broker-dealer firm. 

Wirehouse broker is not an independent broker working at a wirehouse, or a firm with multiple branches.

Key money is a payment to a landlord made by potential tenants as an attempt to secure the tenancy for the future.

The key rate is an interest rate that determines bank lending rates as well as the cost of credit for the borrowers of the bank.