Here and there, water buffalo stumble about rice paddies, chomping on foliage and occasionally looking up to offer gormless looks to passers by.

BBC: The perfect trip: Vietnam

As a result, we view any market stumble due to continued fears about Fed tightening as a buying opportunity.

FORBES: Did Ben Go Wobbly?

Exactly a year ago today the stock market was celebrating first-quarter earnings reports, reaching for new highs, after recovering from a stumble in February on concerns about situations outside the U.S., notably rising inflation in Asia and the debt crisis in Europe.

FORBES: Mayday, Mayday: Suspicious Similarities To Last Year For Stocks

Last week, the Dow suffered its first weekly stumble in four weeks amid concerns about the Fed withdrawing its stimulus, and whether similar efforts by the Bank of Japan would be effective.

WSJ: Stocks Hit a New Record

Senator BARACK OBAMA (Democrat, Illinois): What I think many of us are concerned about is that we stumble into active hostilities with Iran without having aggressively pursued diplomatic approaches, without the American people understanding exactly what's taking place.

NPR: Senators Urge Effort to Engage Iran

But they often stumble in making the transition because of basic misconceptions about what it will take to transform their companies.

FORBES