Rumours of a treasure trove on a Russian ship that sank off South Korea a century ago have sent a company's shares on a rollercoaster ride, triggering a warning Friday from financial regulators. Start-up business Shinil Group announced earlier this week that it had found an imperial Russian navy vessel off Ulleung island in the Sea of Japan, saying it was believed to contain gold bullion and coins worth 150 trillion won ($130 billion). Others pointed out that Russia would have had no reason to load a vast treasure trove on a ship it was sending into battle, and doubly so as it had a land route to its destination Vladivostok anyway.



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