U.S. stocks wavered Wednesday during midday trading to start March as key manufacturing data offered mixed results and two Federal Reserve officials suggested a more aggressive rate-hiking campaign in the coming months. The S&P 500 (^GSPC) neared the flatline around noon. The Dow Jones Industrial Average (^DJI) edged up 0.2{b56f7a0c6479bc075d08fb7619591a4c4023144d1b4aceb7f3fe2776303deb2f}. […]