Wall Street extends selloff after jobs data; tech stocks slump

Non-farm payrolls increased by 151,000 jobs last month, below the 190,000 expected by economists polled by Reuters as the boost to hiring from unseasonably mild weather faded. Despite the expected slowdown in job growth, the unemployment rate fell to 4.9 percent, the lowest since February 2008, and average hourly earnings increased 0.5 percent, suggesting the labor market recovery remains firm. "That ... serves as a caution to markets that it is too early to take a Federal Reserve March hike com