A sty is a bump that forms on or in the eyelid as the result of a blocked gland. The word sty can also be spelled stye.. There are two distinct types of styes: hordeolum and chalazion. Each has different causes and treatments. A hordeolum is a blockage of one of the sweat glands found in the skin of the lid and base of the eyelashes, or one of the small sebaceous glands found at the base of the eyelashes. Sebaceous glands secrete sebum, a waxy, oily material.
The foreign exchange market (forex, FX, or currency market) is a global decentralized market for the trading of currencies. This includes all aspects of buying, selling and exchanging currencies at current or determined prices.
Forex is the world's largest market, with about 3.2 trillion US dollars in daily volume and 24-hour market action. Some key differences between Forex and Equities markets are: 1  Many firms don't charge commissions â you pay only the bid/ask spreads.  There's 24 hour trading â you dictate when to trade and how to trade.