Why did the Orocobre (ASX:ORE) share price leap 6% today?

The S&P/ASX 200 Index (ASX: XJO) has enjoyed a pretty successful day of trading on the ASX boards today. The ASX 200 has finished up with a healthy 0.93% gain to 7,392 points. But one ASX 200 share put the broader index to shame. That would be the Orocobre Limited