There was a significant delay in time to clinical worsening in the bosentan-treated group (hazard ratio 0.227, P = .0114) as shown in the Figure, a finding largely driven by a reduction in progression of symptomatic PAH in the bosentan-treated group (1%) vs the placebo group (10%).
Trading, on the other hand, involves the more frequent buying and selling of stock, commodities, currency pairs or other instruments, with the goal of generating returns that outperform buy-and-hold investing. While investors may be content with a 10 to 15% annual return, traders might seek a 10% return each month.
Trade, or commerce, involves the transfer of goods or services from one person or entity to another, often in exchange for money. A network that allows trade is called a market. The original form of trade, barter, saw the direct exchange of goods and services for other goods and services. Barter is trading things without the use of money. Later one side of the barter started to involve precious metals, which gained symbolic as well as practical importance.