Stochastic volatility is the unpredictable nature of asset price volatility over time. It's a flexible alternative to the Black Scholes' constant volatility assumption.

The attack was just the second time that Moscow had launched the nuclear-capable intermediate-range ballistic weapon.

Gardiner says, “There’s nothing more fun than a Caterham,” despite $135,000 price tag.

President Donald Trump said Shreveport attorney Alexander Van Hook will serve as a federal judge "with great distinction." ...