Although revenue was notably higher in the second quarter, net income came in well under expectations.Solid waste and recycling management company Casella Waste Systems (CWST -5.29%) was surely eager to start its weekend. On Friday, the company published quarterly results that were a dud with investors, who sent its share price down by more than 5%. That was more deeply in the red than the S&P 500 index's 1.6% dive.One big whiffMuch of this was because of a fairly wide bottom-line miss in Casella's second q ...