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.
Same as above. Trading typically is for the firm's own account and in support of their role of making a market in that security. Sales is what it sounds like, except that the product is often structured in response to the client's needs. Sales often requires maintaining client relations.