Reinvestment rate is the amount of interest that can be earned when money is taken out of one and put into another. fixed-income investment 

Reinvestment risk is the possibility that an investor is going to be unable to reinvest cash at a rate of return comparable to the current one.

A regular-way trade is a trade that has typical settlement cycle required for a particular asset participating in a trade.

Relative strength is an investing technique that compares the performance of a particular asset to the overall performance of the market.

Repatriation is the act of converting any foreign currency into a local currency.

Response lag is the time it takes for corrective fiscal and monetary policies to result in changes since the time of their implementation.

Relativity trap is a psychological trap which leads consumers to make irrational choices when making spending decisions. This trap can be spotted in traders’ decision-making process as well.

Retender is the sale of a delivery notice for the underlying asset in a futures contract.

Red is a business term which describes business bank account with negative balance.

Red ink is a term the refers to financial losses. It derives from the time ledgers were raised by hand and red ink pens were used to denominate losses and negative numbers.