15:02 RVSN RADVision upgraded to Buy from Hold at Cantor Fitzgerald (8.00 -0.67) Cantor Fitzgerald upgrades the co to Buy from Hold after the company announced its Q4 earnings before the open today. Firm says Q1 guidance disappointed and the co's shares traded down as a result. Firm thinks this sell-off represents an attractive buying opportunity and believe that the co's rich cash position and solid cash generation capabilities provide a solid floor to shares relative to current levels. Firm maintains its $12 tgt.