Quote from jimrockford:
From the Securities and Exchange Act of 1934
PROHIBITION AGAINST MANIPULATION OF SECURITY PRICES
SEC. 9. ø78i¿ (a) It shall be unlawful for any person, directly
or indirectly, by the use of the mails or any means or instrumentality
of interstate commerce, or of any facility of any national
securities exchange, or for any member of a national securities
exchangeâ
(1) For the purpose of creating a false or misleading appearance
of active trading in any security registered on a national securities
exchange, or a false or misleading appearance with respect
to the market for any such security, (A) to effect any transaction
in such security which involves no change in the beneficial ownership
thereof, or (B) to enter an order or orders for the purchase of
such security with the knowledge that an order or orders of substantially
the same size, at substantially the same time, and at
substantially the same price, for the sale of any such security, has
been or will be entered by or for the same or different parties, or
(C) to enter any order or orders for the sale of any such security
with the knowledge that an order or orders of substantially the
same size, at substantially the same time, and at substantially the
same price, for the purchase of such security, has been or will be
entered by or for the same or different parties.