$PSTI THE PLURISTEM THERAPEUTICS INC. (PSTI) UPGRADED TO HOLD AT ZACKS INVESTMENT RESEARCH PSTI http://dailyquint.com/2017-01-23-pluristem-therapeutics-inc-psti-upgraded-to-hold-at-zacks-investment-research/ http://stockcharts.com/c-sc/sc?s=psti&p=D&b=5&g=0&i=p24597972749&r=1363673449596 http://stockcharts.com/c-sc/sc?s=psti&p=w&b=5&g=0&i=p24597972749&r=1363673449596