Union Pacific ( UNP) estimates raised at JP Morgan through 2013. Company is leveraged to demand from shale and fracking activities. Overweight rating. Varian Medical Systems ( VAR) numbers raised at UBS. Shares of VAR now seen reaching $71, according to UBS. Estimates also increased on strong hospital capex survey. Maintain Neutral rating. >To submit a news tip, email: firstname.lastname@example.org.