Tesla stock has taken off once again in 2014, driving shares up another 60 percent. Stockholders are now hearing from bearish analysts, and seeing Apple products appear in more Mercedes--how long will Musk's ride last? Jim Cramer's got a social network stock that he likes--and he's predicting double-digit gains, as well. And Boeing investors have seen the stock's prospects hit hard lately--what will it take for the aerospace and defense company's shares to adjust course? Jonathan Marino at the Nasdaq Marketsite in Times Square, March 10, 2014.