Xiang Guangda made a massive bet over the past few years that the price of nickel would fall, but in March of this year, futures for the metal shot up 250%, a jump that could have bankrupted him ...

The plant, also known by the species name Odontarrhena chalcidica, is a nickel hyperaccumulator, meaning that it can draw up the metal from the soil and deposit it in its leaves and stems at high ...