Book excerpt: A penny saved may be a penny earned, but a penny invested can be even more. In this financial crisis, old advice about equities, mutual funds, commodities, and real estate may no longer hold. Here is a fresh look at all aspects of investing to help readers protect and grow their wealth. This edition includes the most current information on: • Corporate fundamentals • The sub-prime crisis and its effects • Practical tools for evaluating mutual funds • Advice about riding the equity market • The use of Exchange Traded Funds