Twitter cuts revenue forecast, shares slump

Twitter Inc posted quarterly revenue that missed Wall Street targets and cut its full-year revenue forecast due to weak demand for its new direct response advertising, sending its shares down as much as 24 percent on Tuesday. Twitter projected 2015 revenue of $2.17 billion (£1.42 billion) to $2.27 billion, compared with its earlier forecast of $2.3 billion to $2.35 billion. Twitter said its new direct response ads that companies can tweet to targeted users, with say, a clickable business card o