"MannKind Corporation (MNKD - 2.00) hit a new four-year low of $1.97, adding to its 52-week deficit of 45.6%. The stock's RSI of 40 has yet to slip into oversold territory, hinting that additional downside is not out of the question during the near term. Downgrades could force the issue, with three brokerage firms out of 10 still clinging to a "strong buy" rating."

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