| InvestHub.com's Finance Dictionary and Glossary of Investment Terms Block Definition 1.
Large quantity of stock or large dollar amount of bonds held or traded. As a rule of thumb, 10,000 shares or more of stock and $200,000 or more worth of bonds would be described as a block. | Definition 2.
A large amount of securities being held or traded, typically at least 10,000 shares of stock or $200,000 in bonds. |
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