It is unlawful for a person to make or omit or cause to be made or omitted, in a document filed or in a proceeding under this chapter, a statement which is, at the time and in the light of the circumstances under which it is made, false or misleading in a material respect. It is unlawful for a person to engage in a fraudulent, deceptive, or manipulative act or practice, in connection with a takeover bid, or a solicitation of offerees in opposition to or in favor of a takeover bid.