Energy drink stock Celsius Holdings Inc (NASDAQ:CELH) has been trading choppily since its Sept. 8 record high of $68.95. Both the stock's rallies since then were cut short at the$63 region. Last seen 0.1% lower at $51.95, CELH is at risk of closing below$52 for the first time since mid-December. Short interest has moved higher over the last month, adding 6.3% in that time. The shares sold short represent 28.4% of the stock's available float, and, at the equity's average pace of trading, it would take shor ...