Several decades ago, when Peter Lynch popularized this ratio, simple metrics such as the PEG ratio served a valuable purpose; providing valuation guidelines for investors to follow in an era when metrics weren't easily accessible. The trade off between price and growth is a concept every investor should understand.The post PEG Ratio: Useful or Obsolete Valuation Metric? appeared first on Arbor Asset Allocation Model Portfolio (AAAMP) Value Blog.