The Feds will tell you that cracking down on insider trades protects the rights of all investors.
The U.S. is cracking down on antibiotics fed to pigs and cows.
Also read at The Wrap: "cracking Open Ken Starr, Hollywood's Mini-Madoff."
"split, opening," 14c., from crack (v.). Meaning "try, attempt" first attested 1836, probably a hunting metaphor, from slang sense of "fire a gun." Meaning "rock cocaine" is first attested 1985. The superstition that it is bad luck to step on sidewalk cracks has been traced to c.1890. Adjectival meaning in "top-notch, superior" is slang from 1793 (e.g. a crack shot).
The process of breaking down complex chemical compounds by heating them. Sometimes a catalyst is added to lower the amount of heat needed for the reaction. Cracking is used especially for breaking petroleum molecules into shorter molecules and to extract low-boiling fractions, such as gasoline, from petroleum. See also hydrocracking.
Excellent; first-rate: a cracking meal
Very: a cracking good meal
: Ragging, bagging, snapping, and cracking, these are all word games teens use as a way of competing with one another (1990s+ Teenagers) (1830+)
[all senses are ultimately echoic; narcotics sense fr the sound of breaking crystals or the cracking sound the crystals make when smoked]