Walmart greeters return, U.S. companies in Russia and IPO mania

The three major stock indices (^DJI, ^GSPC, ^IXIC) are all trading lower through the middle of the session and we'll give you one guess why...hint, it's Greece.

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Here are some of the other stories Yahoo Finance is keeping on eye on today.

IPO market heating up
Yesterday, it was Fitbit (FIT). Today, the buzz on Wall Street is Fogo de Chao (FOGO). Shares of the Brazilian steakhouse chain popped 25% when trading began earlier. Meantime, Fitbit is adding to its big first day gains, getting a nice second-day pop. And next week, the IPO excitement continues with what could be the biggest one this year, credit score provider TransUnion.

International Economic Forum
Despite U.S. and European sanctions against Russia and President Vladimir Putin over Ukraine, several Western business leaders are in Saint Petersburg for this year's International Economic Forum. Also dropping by, Greek Prime Minister Alexis Tsipras, whose government is desperately looking for financial help as the country's debt crisis deepens.

Motorcycles for Millennials
Will Millennials drop their video games...for motorcycles? That's what new Harley Davidson (HOG) CEO Matt Levatich is trying to accomplish. He tells the Wall Street Journal that eventually young people will want to get out from behind their video screens and experience the world first-hand...and he wants to get them on one of his company's bikes to do that.

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