MINYANVILLE ORIGINAL The three most active funds and stocks in pre-market trading on the NYSE were Ralcorp Holdings (NYSE:RAH) Bank of America (NYSE:BAC) and SPDR S&P 500 ETF (NYSEARCA:SPY) as of 9:25 a.m. EST. Investors exchanged 8.35 million shares of Ralcorp Holdings which was up $18.60 or 26.48%. According to Reuters ConAgra (NYSE:CAG) will buy Ralcorp Holdings for $5 billion or $90 per share. This amount represents a 28.2% premium to Ralcorp stock's Monday close pricing. Investors traded 2.36 million shares of Bank of America which was up $0.06 or 0.56%. Investors also traded 2.13 million shares of SPDR S&P ...