Taser (TASR), which rallied 8.7 percent on earnings Friday, is up another 65 cents to $7.80 Monday after two firms (Merriman and Dougherty) raised earnings estimates following last week’s results. In the options market, sentiment seems somewhat bullish as well. 4200 calls and 700 puts traded so far. Mar 7.5 calls are the most actives after 2860 traded (26% Bid / 26% Mid / 48% Ask). Implied volatility is steady around 53.