dawn raid

noun

Definitions of dawn raid

English

an investigation by competition authorities

The Office of Fair Trading launched investigations into two alleged conspiracies with a series of dawn raids on airline offices.

English

when an investor buys a lot of shares in a company as soon as the stock markets open before making a formal takeover bid in order to keep the takeover costs down

"The dawn raid in Sainsbury is fuelling talk of a takeover bid," one trader said.