An offer of a stock allowing institutional investors and (occasionally) high net-worth individuals to buy a large percentage of a company's equity, usually at a price higher than the previous offer of stock. Street sweeps are fairly common in takeovers; they may also be used as antitakeover measures. A street sweep is also known as a market sweep.
An investment strategy in which large amounts of a company's stock are quickly purchased. Street sweeps generally occur in the stock of a company involved in a takeover attempt. Also called market sweep.