Term: risk arbitrage: arbitrage involving risk; as in the simultaneous purchase of stock in a target company and sale of stock in its potential acquirer; if the takeover fails the arbitrageur may lose a great deal of money
Broader: arbitrage: a kind of hedged investment meant to capture slight differences in price; when there is a difference in the price of something on two different markets the arbitrageur simultaneously buys at the lower price and sells at the higher price | Unrelated: rough-legged hawk: large hawk of the northern hemisphere that feeds chiefly on small rodents and is beneficial to farmers
Broader: arbitrage: a kind of hedged investment meant to capture slight differences in price; when there is a difference in the price of something on two different markets the arbitrageur simultaneously buys at the lower price and sells at the higher price | Unrelated: dramatic composition: a play for performance on the stage or television or in a movie etc.