Carnival and Darden Restaurants rise while Equifax slips

Stocks that moved substantially or traded heavily Tuesday:

Carnival Corp., up $1.82 to $65.32

The cruise line company raised its annual forecasts after a strong third quarter.

Red Hat Inc., up $4.31 to $110.07

The open-source software company had a better second quarter than analysts had expected.

Equifax Inc., up 96 cents to $106.05

The credit monitoring company, which earlier this month disclosed a large data breach, said Chairman and CEO Richard Smith is retiring.

Darden Restaurants Inc., down $5.43 to $77.71

The restaurant company reported weak sales growth at its Olive Garden chain.

Nvidia Corp., up 96 cents to $171.96

The chipmaker said several major Chinese technology companies, including Alibaba and Baidu, will use its products in data centers.

Ascena Retail Group Inc., up 13 cents to $2.30

The clothing store company had a better quarter than expected.

IHS Markit Ltd., down $4.17 to $44.12

The financial information services company had a strong third quarter, but analysts were concerned about its profit margins.

Axovant Sciences Ltd., down $17.92 to $6.33

The drug development company said its Alzheimer's disease drug intepirdine failed in a late-stage study.