Investors who think Arista stock will continue to rally and don't want to risk significant capital can use long call options.

Institutional investors have piled into long-dated (almost 6-month out) Microsoft Corp (MSFT) call options at a 44% higher call strike price. That indicates they are extremely bullish on MSFT stock ...

The Greeks (which include delta, gamma, theta, vega, and rho) provide a way to measure the sensitivity of an option's price to quantifiable factors. Here's what you should know before you start ...