A contract for differences (CFD) is a financial instrument traders use to speculate on prices without owning the underlying asset. When entering into a CFD, an investor and broker agree to exchange ...

Computational fluid dynamics (CFD) has long had the reputation of being too difficult, too slow, and too expensive for everyday bench-level engineers. A decade ago, this was true. But CFD has changed.

Fluid-analysis software lets engineers see inside products to spot and solve troublesome flow problems. CFD or computational-fluid dynamics was once the realm solely of PhDs and aerospace companies.

New to CFDs? Here's what you need to know: CFD trading allows you to speculate on price movements without owning the underlying asset. You can profit from both rising and falling markets, use leverage ...