P/E ratio is used regularly as a valuation metric and you will often hear it discussed in the business news media (i. CNBC, Bloomberg, Fox Business,...

P/E ratio is used regularly as a valuation metric and you will often hear it discussed in the business news media (i.e. CNBC, Bloomberg, Fox Business, etc). You have just had the opportunity to apply P/E in a relatively easy assignment. Based on this assignment and other valuation techniques used in this class what do you think about the use of P/E? Easy? Good idea? Would you rely on it for your valuation purposes? Any other thoughts?