On the upside
American Railcar Industries (Nasdaq: ARII) offered a premium of approximately $543 million to acquire Greenbrier Companies (NYSE: GBX).
Imperial Capital analyst Edward P. Mally expects increased demand for Tronox's (NYSE: TROX) white pigment TiO2.
On the downside
GT Advanced Technologies (Nasdaq: GTAT) forecast 2013 earnings that fell far short of analyst expectations. Falling gold prices weighed down shares of AuRico Gold (NYSE: AUQ), Eldorado Gold (NYSE: EGO) and Seabridge Gold (NYSE: SA).
Motley Fool wrote that Wal-Mart (NYSE: WMT) could easily take market share from Radio Shack (NYSE: RSH) by expanding its selection of low priced consumer electronic gadgets.
In the broad market, advancing issues outpaced decliners by a margin of more than 5 to 2 on the NYSE and by nearly 5 to 2 on Nasdaq. The broader S&P 500 index soared 16 points to 1446.