The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 390 to 700 nm. In terms of frequency, this corresponds to a band in the vicinity of 430â770 THz.
P/FCF = Market capitalization / Free Cash Flow. The Price-to-Free Cash Flow (P/FCF) ratio a popular valuation ratio among value investors. It is similar to the P/E ratio but free cash flow is just operating cash flow minus capital expenditures.
Cash ratio is the ratio of cash and cash equivalents of a company to its current liabilities. It is an extreme liquidity ratio since only cash and cash equivalents are compared with the current liabilities. It measures the ability of a business to repay its current liabilities by only using its cash and cash equivalents and nothing else. Formula