Rentech Nitrogen Partners (RNF), a fertilizer maker, has found support at its 10-week line and may be poised to retake its buy point. Rentech broke out above its 40.15 flat-base entry on Nov. 2 after the company's Q3 earnings report handily beat estimates. But the stock reversed lower and ended below the buy point, highlighting the dangers of buying even strong stocks during a market correction. Rentech will likely benefit from rising fertilizer