In reweaving foundation, new warp reverses direction when it passes from one column of knot nodes to the next column of knot nodes. New weft reverses direction when it passes under a knot. These reversals of direction are called "turnarounds."
A favourable reversal in the fortunes of a company, market or the economy. Turnaround specialists seek to exploit market pricing inefficiencies in securities of companies that might be on the verge of a turnaround situation.