day-trade

[dey-treyd]
verb (used without object), day-trad·ed, day-trad·ing.
  1. to buy and sell a listed security or commodity on the same day, usually on margin, for a quick profit.
Related formsday-trad·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018