Groupon shares hit in after-hours trading

MARKETWATCH FRONT PAGE

Daily-deals firm downwardly revises its fourth-quarter earnings and sales, and its auditor tacks on a warning in a company regulatory filing. See full story.

Fund, ETF investors could see global gains fade

Stock-fund and ETF investors venturing outside of the U.S. waded into calmer waters in the first quarter, but rough currents lie ahead. Positioning portfolios against such uncertainties will dominate investors� attention. See full story.

Bond fund investors ride out market�s bumps

If the first quarter is any indicator, bond market behavior may finally reflect the �new normal� that Pimco�s Bill Gross and others first started talking about a few years back. See full story.

Water may finally be getting its due

The worth of water is never known till the well has run dry, the axiom goes. In commentary pieces Friday, Thomas Kostigen and Myra P. Saefong of MarketWatch seek to counter that saying. This slide show of water-related photography in recent days accompanies those columns. See full story.

Water: vital to life and an investment essential

Water just might be among the world�s cheapest commodities right now, but investors are finally starting to take notice of the market for the vital resource as the global population continues to outpace supplies. See full story.

MARKETWATCH COMMENTARY

Instead of acknowledging that banks have become a part of government, we keep pretending they are private institutions, writes David Weidner. See full story.

MARKETWATCH PERSONAL FINANCE

Is the state that you have designs on retiring to tax friendly or not? And the basic questions to answer are these: How does the state tax your income? How does it tax your property and your consumption? And what�s the overall tax burden? See full story.