Halliburton, Hertz, Nokia, Geron and Amazon are big market movers

Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Halliburton Co., up $1.29 to $55.08

The oilfield drilling and services company and its rival Baker Hughes Inc. are discussing a possible merger deal.

Hertz Global Holdings Inc., down $1.04 to $21.69

The car rental company will restate more financial results and implement a new purchasing strategy while cutting costs.

Nokia Corp., down 40 cents to $7.86

The telecommunications equipment company raised its outlook for 2015 operating margins and expects network sales growth.

Petrobas SA, down 25 cents to $9.95

The Brazilian energy company will delay reporting its financial results as it faces a money-laundering and bribery investigation.

Nordstrom Inc., up 92 cents to $74.17

The upscale department store operator reported a boost in third-quarter profit and revenue, with the results topping forecasts.

Nasdaq

Geron Corp., up 45 cents to $2.76

The biotechnology company could get more than $900 million in a deal to develop its blood disorder drug with Johnson & Johnson.

Amazon.com Inc., up $11.34 to $327.82

The online retailer and Hachette Book Group settled a nasty feud over book publishing revenue and announced a multi-year deal.

Sina Corp., down $2.05 to $39.80

The Chinese Internet portal reported weaker-than-expected third-quarter profit and a disappointing revenue outlook for the fourth quarter.