Oil futures are financial contracts that allow participants to buy or sell a specific quantity of oil at a predetermined price on a future date. These contracts serve as an agreement between the buyer ...

This index includes all medium and larger issues of U.S. government, investment-grade corporate and investment-grade international dollar-denominated bonds that have maturities between 5 and 10 years ...

We use the present simple tense for things that we do regularly and for facts, habits, truths and permanent situations. We often use time expressions like every day, once a week, on Fridays.