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.
The price/earnings ratio is the ratio of a company's stock price to the company's earnings per share. The ratio is used in valuing companies. P / E = Share Price Earnings per Share {\displaystyle P/E={\frac {\text{Share Price}}{\text{Earnings per Share}}}} Higher growth firms will have higher P/E ratios Higher risk firms will have lower P/E ratios Firms with lower reinvestment needs will have higher P/E ratios