Stocks that moved substantially or traded heavily Tuesday:
General Motors Co., up $1.30 to $43.45
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The auto maker reported strong sales for the month of September.
Lennar Corp., up $2.53 to $55.35
The homebuilder's profit and revenue were better than analysts expected.
Delta Airlines Inc., up $3.18 to $51.25
The Atlanta-based carrier updated its forecast for third-quarter results.
Paychex Inc., up $2.18 to $61.99
The payroll processor and human-resources services company had a solid first quarter and its forecasts pleased investors.
Tile Shop Holdings Inc., down $4.75 to $8.45
The tile maker forecast weak third-quarter results and said it's spending more on ads, which hurts its profits.
Cal-Maine Foods Inc., up $1.85 to $43.50
The egg producer continued to rally after it said sales improved in the first quarter.
AZZ Inc., down $2.15 to $48.05
The electrical equipment maker had a weak second-quarter profit and said the bankruptcy of Westinghouse is still hurting its energy business.
Exelon Corp., down 30 cents to $37.84
Utility companies, which have skidded over the last month, continued to trade lower Tuesday.