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.
1 Take a look at the maturity dates on the bonds in the portfolio. 2  If an investor is investing for 20 years, for example, the investor may want to buy a bond fund with 20-year maturities. 3  That will allow them to earn a higher interest rate than a 5 or 10-year maturity bond portfolio. Investors should consider the maturity date of the bond, and when they need access to their invested funds. 2  Say, for example, that an investor plans on retiring in 15 years. 3  They can buy bonds with maturity date of 15 years.