Dow Chemical, Carnival, Oxford Industries and Blackberry are big market movers

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

NYSE

The Dow Chemical Co., up $1.32 to $47.76

The chemical company is splitting its chlorine business and merging it with Olin Corp. in a cash-and-stock deal worth $5 billion.

Carnival Corp., up $2.70 to $47.12

The cruise operator swung to a fiscal first-quarter profit that exceeded Wall Street expectations and it said bookings are up.

Oxford Industries Inc., up $11.29 to $70.80

The clothing and apparel company reported better-than-expected fourth-quarter profit and met Wall Street's revenue expectations.

Quicksilver Inc., down 35 cents to $1.90

The clothing and apparel maker said CEO Andy Mooney is being replaced by Pierre Agnes, but gave no explanation for the change.

Nasdaq

Ohr Pharmaceutical Inc., down $5.99 to $2.74

The drug developer said its experimental treatment for an eye condition that leads to blindness failed to meet a key study goal.

Blackberry Ltd., up 16 cents to $9.46

The mobile device company reported better-than-expected fourth-quarter profit.

RBC Bearings Inc., up $13.20 to $75.58

The maker of various types of bearings said it will buy Dover Corp.'s aerospace and defense business for about $500 million

Altera Corp., up $9.82 to $44.39

The Wall Street Journal reported that Intel Corp. is in talks to buy the chipmaker.