FreightCar America Inc. fell after an analyst downgraded the stock, saying shares of the railcar manufacturer were too expensive to warrant a “Buy” rating.

Americans’ pessimism about the economy appears to be lifting, with consumer expectations for the next six months hitting their most positive point since the recession began.

Mktg Inc., formerly known as CoActive Marketing Group Inc., said Tuesday it received a noncompliance letter from The Nasdaq Stock Market because of its failure to file its financial report for the quarter ended June 30 on time.

U.S. stocks rose on Tuesday as economic data and the renomination of Federal Reserve chief Ben Bernanke reassured investors and offset concerns about red ink in the federal budget.

FreightCar America Inc. fell Tuesday after an analyst downgraded the stock, saying shares of the railcar manufacturer were too expensive to warrant a “Buy” rating.

Shares of Newfield Exploration Co. dropped Tuesday, a day after the company said it will voluntarily curtail about 2.5 billion cubic feet equivalent of its third-quarter production due to low natural gas prices.

CareFusion Corp. will join the Standard & Poor’s 500 index on Sept. 1, its first day of regular trading on the New York Stock Exchange, the medical technology company announced Tuesday.

Shares of Warner Chilcott PLC continued to climb in Tuesday trading as Wall Street evaluated the drugmaker’s acquisition of Procter & Gamble’s prescription drug business.

Shares of KBR Inc. rose Tuesday after an analyst raised his price target on the engineering and construction company’s shares, saying KBR is moving successfully into large energy projects and away from military contracts.

Shares of plastic packaging makers rose Tuesday as several factors combined to lower the price of natural gas — a key feedstock in the manufacture of plastic products — and create conditions for it to remain low.