BUZZ — Australia's Viking Mines hits near five — month high on tungsten find
* Shares of Australia's Viking Mines surge as much as 25% to A$0.015, hitting their highest level since April 27 * Mineral explorer says latest assays from its Linka Tungsten Project in the US state of Nevada confirmed thick zones of tungsten mineralisation * About 67.5 million shares change hands, roughly 6.9x the 30