The S&P 500 can surge more than 20% to record highs if it holds this key support level, BofA says (SPY)

· *The S&P 500 can surge more than 20% to 3,700, representing record highs, if the market can hold on to a key support level, Bank of America said in a note Thursday.*
· *"If the S&P 500 holds above or within the 3000 - 2930 range on interim dips, the late May breakout suggests that a move beyond the January-February highs of...