Definition. 1  A blood clot is a thickened mass in the blood formed by tiny substances called platelets. Clots form to stop bleeding, such as at the site of cut. 2  As soon as a blood vessel wall is damagedâby a cut or similar traumaâa series of reactions normally takes place to activate platelets to stop the bleeding.
Series EE bonds mature after 30 years, meaning they can earn interest for that period of time. EE bonds are sold for half of face value and the U.S. Treasury Department guarantees they will reach face value after 20 years. Bonds must be owned for at least one year before redemption.
In effect, youâd have entered into an agreement today to buy a 5-year bond 5 years from now. The interest rate on that future bond is something you could calculate today from the current 5-year and 10-year yields to maturity, and is known as the 5-year, 5-year forward rate.n effect, youâd have entered into an agreement today to buy a 5-year bond 5 years from now. The interest rate on that future bond is something you could calculate today from the current 5-year and 10-year yields to maturity, and is known as the 5-year, 5-year forward rate.