NYSE:

American International Group Inc., down $5.12 at $18.08

At the battered insurers annual meeting Tuesday, investors approved a reverse 20-for-1 stock split meant to boost the share price.

OshKosh Corp., up $3.89 at $18.43

The specialty vehicle maker beat out three rivals for an Army order of 2,244 bomb-resistant vehicles worth $1.06 billion.

General Mills Inc., up $2.16 at $58.18

The food maker said grocery sales in 2010 would increase as consumers cut back on eating out, while commodity costs would decline.

MetroPCS Communications Inc., down 68 cents at $12.63

The prepaid wireless service provider faces increasing competition from new players over the next year, an analyst said.

NASDAQ:

CardioNet Inc., down $6.75 at $9.57

The heart monitor maker halved its profit outlook for 2009 and withdrew its guidance through 2011, and shares plunged to a record low.

Force Protection Inc., down $3.46 at $5.38

The vehicle maker, along with Navistar International Corp. and BAE Systems, lost out on a $1.06 billion Army contract.

Myriad Genetics Inc., down $9.63 at $26.02

The biotechnology company said revenue at its molecular diagnostics division, where most income comes from, would be below expectations.

Acorda Therapeutics Inc., down $4.20 at $23.99

A $110 million partnership with drug developer Biogen Idec Inc. is good, but complicates a hoped-for buyout of Acorda, an analyst said.

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