Examlex
Oxygen did not accumulate in the early atmosphere until it reacted with reduced materials, especially________ , in the oceans. These substances then reacted spontaneously with oxygen to produce________.
Trading
The act of buying and selling securities in financial markets, either for personal investment or on behalf of an institution.
Coupon Bond
A type of bond that pays the holder a fixed interest payment (coupon) at regular intervals until the bond's maturity, when the principal is repaid.
Current Yield
The annual income (interest or dividends) divided by the current price of the security, used primarily for bonds.
Trading
The buying and selling of financial instruments like stocks, bonds, commodities, and derivatives within financial markets.
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