NEW YORK (AP) - Stocks that moved substantially or traded heavily Wednesday:
General Motors Co., down $1.83 to $37.65
The automaker cut its profit forecast because tariffs have raised the price of aluminum and steel and the dollar has strengthened.
Fiat Chrysler Automobiles NV, down $2.28 to $17
The car company cut its profit forecast because of difficulties in China and growing competition, and ex-CEO Sergio Marchionne died.
Boeing Co., down $2.35 to $355.92
The aerospace company had a strong quarter but cut its revenue projections for its defense business.
HCA Healthcare Inc., up $9.97 to $118.13
The hospital operator said it expects a larger profit for the full year.
Tupperware Brands Corp., down $6.68 to $34.09
The container maker reported weaker-than-expected sales and lowered its annual forecasts.
iRobot Corp., up $12.10 to $83.29
The robotic technology company surpassed Wall Street forecasts in the second quarter and raised its estimates for the year.
AT&T Inc., down $1.43 to $30.25
The telecommunications giant reported less revenue than analysts had expected.
TopBuild Corp., down $2.58 to $75.17
Homebuilders fell after the government reported that sales of newly built homes fell in June.
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