Functioning and Manipulation

noun

• Process or manner of functioning or operating.
  • usage: "the power of its engine determines its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"
  • synonyms: operation, performance

verb

• Perform as expected when applied.
  • usage: "The washing machine won't go unless it's plugged in"; "Does this old car still run well"; "This old radio doesn't work anymore"
  • synonyms: function, work, operate, go, run
• Serve a purpose, role, or function.
  • usage: "The tree stump serves as a table"; "The female students served as a control group"; "This table would serve very well"; "His freedom served him well"; "The table functions as a desk"
  • synonyms: serve, function
• Perform duties attached to a particular office or place or function.
  • usage: "His wife officiated as his private secretary"
  • synonyms: officiate, function

adjective

• Performing or able to perform its regular function.
  • usage: "a functioning flashlight"

noun

• Exerting shrewd or devious influence especially for one's own advantage.
  • usage: "his manipulation of his friends was scandalous"
  • synonyms: use
• The action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means.
  • synonyms: handling

• (n.) The use of the hands in mesmeric operations.
• (n.) Artful management; as, the manipulation of political bodies; sometimes, a management or treatment for purposes of deception or fraud.
• (n.) The act or process of manipulating or the state of being manipulated; the act of handling work by hand; use of the hands, in an artistic or skillful manner, in science or art.

Dealing in a security to create a false appearance of active trading, in order to bring in more traders. Illegal.