TOTAL RETURN is the rate of return on an investment or portfolio that takes into consideration both earned income and changes in market value.
BID TICK RULE is a NASD rule prohibiting a short sale transaction when the current best bid in a security is less than the previous best bid. That is, when it is on a "down-tick." The bid tick rule does not apply to the OTCBB.
LAN is Local Area Network.
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