the crimean referendum, of course, is this weekend. the roadmap begins with continuing global concerns led by china and ukraine. have the markets looking at a modestly higher open this after the major averages logged their worst day since february 3 period. general motors is firing back that air bag failure in recalled vehicles resulted in more than 300 deaths. target admitting it did not take immediate action after security software originally alerted the company to malicious activity after the data breach. and mark zuckerberg calls president obama to complain about the government s surveillance programs. first up, though, thursday, the 13, was bad luck for the bulls as worries about a slowdown in china and rising tension between ukraine and russia helped spark a market selloff. all 30 components finishing in the red. and the s&p has fallen to negative territory for the year and the nasdaq posting a decline for the fifth time in six sessions. the s&p has only had a y