U.S. stocks moved off of highs as excitement over oil production cuts subsided. Crude had initially rallied after Russia and some OPEC members agreed to an output freeze if other producers follow suit. However, a deal is far from done with Iran unlikely to agree to any terms. Sentiment among home builders fell from 10-year highs in February. A read on the sector slipped as builders responded to consumer worries over the economy. Home security company ADT (ADT) surged after agreeing to be acquired by private-equity firm Apollo Global Management. Groupon (GRPN) moved higher after a new securities filing from Alibaba (BABA) showed the Chinese e-commerce site holding a stake worth $95 million. Investors hope the 5.6% stake leads to sale talks. TheStreet's Keris Lahiff reports from Wall Street.