However, like every investing tool, RSI has its limitations, and should not be used alone for making an investment decision. Why a Trend Reversal is Due for CCK The RSI reading of 27.72 for CCK is an indication that the heavy selling could be in the process of exhausting itself, so the stock could bounce back in a quest for reaching the old equilibrium of supply and demand. Crown Holdings (CCK) has been on a downward spiral lately with significant selling pressure. After declining 7.1% over the past four we ...