Google is testing the ability to click on a word in a featured snippet within Google Search and define that word. You can also copy the word, if you want. I think this is a Google Search test and ...

Stock options are contracts that give the holder the right, but not the obligation, to buy or sell a specific number of shares of a company's stock at a predetermined price within a set time period.

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Option margin is the collateral (cash or securities) an investor must deposit before writing or selling options ...