Rally	a sharp rise in price or active trading after a declining market
Range	A stock's low price and high price for a particular trading period, such as the close of a day's trading, the opening of a day's trading, a day, a month, or a year.
Regression	a trend or shift toward a lower, less severe, or less perfect state
Risk	The chance that an investment's actual return will be different than expected.
Rollover	(1) A trading procedure involving the shift of one delivery month of a spread into another month while holding the other delivery month. The shift can take place in either the long or short month. (2) Lifting a futures position that is not part of a spread and simultaneously re-establishing it in a deferred delivery month.
Round Turn	A completed transaction involving both a purchase and a sale.