ETF Spotlight on Vanguard Total Stock Market ETF (NYSEArca: VTI), part of an ongoing series.

Assets: $21.5 billion.

Objective: The Vanguard Total Stock Market fund tries to reflect the performance of the MSCI U.S. Broad Market Index, which covers the whole U.S. stock market.

Holdings: Top holdings as of Feb. 29 include: Apple (NasadaqGS: AAPL), Exxon Mobil (NYSE: XOM), Microsoft (NasadaqGS: MSFT), International Business Machines (NYSE: IBM) and Chevron (NYSE: CVX).