Weighted Average Cost of Capital. Weighted average cost of capital (WACC) is the average of the minimum after-tax required rate of return which a company must earn for all of its security holders (i.e. common stock-holders, preferred stock-holders and debt-holders).n the formula for WACC, r(E) is the cost of equity i.e. the required rate of return on common stock of the company. It is the minimum rate of return which a company must earn to keep its common stock price from falling.
Webster Dictionary (0.00 / 0 votes) Rate this definition: Planking. of Plank. Planking (noun) the act of laying planks; also, planks, collectively; a series of planks in place, as the wooden covering of the frame of a vessel. Planking (noun) the act of splicing slivers. See Plank, v. t., 4
1. a broad flat thick piece of wood, stone, or other material. 2. a thick slice of cake, etc. 3. (Forestry) any of the outside parts of a log that are sawn off while the log is being made into planks. 4. (Mountaineering) mountaineering a flat sheet of rock lying at an angle of between 30Â° and 60Â° from the horizontal.