BUZZ — Australia's EQ Resources heads for best week in 6 months on US tungsten JV stake buy
* Shares of EQ Resources on track for a 20% weekly gain, their best performance in more than six months * Earlier this week, tungsten miner agreed to acquire a 10% stake in a US joint venture that plans to restart the Springer plant in Nevada that produces ammonium paratungstate, a key defence application material * JV