An already dreary May got a little worse for financial markets Wednesday as Greece's political chaos dragged on. The euro fell to its lowest point since January as investor confidence in Europe's shared currency weakened further.

STEUBENVILLE, Ohio (Reuters) - Out past the vacant storefronts and abandoned buildings, beyond the shuttered steel mills and decaying industrial plants, residents of eastern Ohio suddenly are seeing dollar signs. In a region more accustomed to hard times than optimism, residents hope that a boom in shale gas drilling using the controversial technique of hydraulic fracturing - or "fracking" - will lead to wealth, jobs and a reservoir of domestic energy that could dramatically boost the area's fortunes. ...