Clorox (CLX) is seeing relative strength and increasing call volume. Shares are up $1.86 to $55.51 and heading to session highs after Oppenheimer upgraded CLX to Outperform from Underperform. Oppenheimer also raised its price target to $70 after Clorox announced an increase to its quarterly dividend and confirmed its 2010 outlook Thursday. CLX June 55 and July 60 calls are seeing some interest as shares move higher. Implied volatility is low, to 22.5 from 23 yesterday. (SV is only 18).