...Only Rules 10b-5 (a) and (c) are at issue here. Rule : Ob-5 (b) provides that it shall be unlawful "[t]o make any untrue statement of a material fact or to omit to state a material fact necessary in order to make the statements made, in the light of the circumstances under which they were made, not...

...interstate commerce, directly or indirectly — (1) To employ any device, scheme, or artifice to defraud, or (2) To make any untrue statement of a material fact or to omit to state a material fact necessary in order to make the statement made, in light of the circumstances under which they are made, not misleading....

...directly or indirectly — 1508—37 2 (1) To employ any device, scheme, or artifice to defraud, or (2) To make any untrue statement of a material fact or to omit to state a material fact necessary in order to make the statement made, in light of the circumstances under which they are made, not misleading....

...Interstate commerce, or of the malls, or of any facility of any national securities exchange — ( 1 ) to employ any device, scheme, or artifice to defraud...they were made, not misleading ; or (3) to engage tn any act, practice, or course of business wblch operates or would operate as a fraud or deceit upon...

...indirectly, by the use of any mean* or Instrumentality of interstate commerce, or of tbe malls, . . . (1) to employ any device, scheme, or artifice to defraud,...circumstances under which they were made, not misleading, or (S) to engage In any act, practice, or course of business which operates or would operate as a fraud...

...instrumentality of interstate commerce, or of the mails, or of any facility of any national securities exchange, (1) to employ any device, scheme, or artifice to defraud,...circumstances under which they were made, not misleading, or SECT. HI ItS Rule lOb-6. ProhibitioBs Against Tradiag by Persons Interested i> a (a) It shall constitute...

...any facility of any national securities exchange, " ( 1 ) to employ any device, scheme, or artlflce to defraud, "(2) to make any untrue statement of a...circumstances under which they were made, not misleading, or "(8) to engage In any act, practice, or course of business which operates or would operate as a fraud...

...of any national securities exchange, "(1) to employ any device, scheme, or artifice to defraud, "(21 to make any untrue statement of a material fact or...circumstances under which they were made, not misleading, or As already indicated, from the time of its organization Columbia was never in good financial condition...

...of Interstate commerce, or of the malls, or of any facility of any national securities exchange — "(1 ) to employ any device, scheme, or artifice to...fact or to omit to state a material fact necessary in order to make the statements made. In the light of the circumstances oader which they were made, not...

...collectively as "advertising matter" which shall contain an untrue statement of a material fact or omit to state a material fact necessary in order to...circumstances under which they were made, not misleading, or which shall contain inadequate or incomplete information concerning relevant matters therein mentioned...