Delta and Twitter are big market movers

NEW YORK (AP) -- Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Delta Air Lines Inc., down 85 cents to $27.03

Airline stocks dropped as oil prices rose, and a glitch on the carrier's website allowed travelers to score extreme discounts on flights.

General Motors Co., down 58 cents to $40.94

The automaker and its main Chinese partner will recall almost 1.5 million cars to replace a fuel pump bracket that could crack.

Textron Inc., up 38 cents to $36.58

The parent company of Cessna Aircraft will buy aircraft maker Beechcraft for $1.4 billion.

Twitter Inc., down $9.56 to $63.75

Macquarie Capital downgraded the social media company, whose shares have nearly tripled since its initial public offering.

Nasdaq

ANI Pharmaceuticals Inc., up $2.77 to $19.89

The pharmaceutical acquired 31 generic drugs from Teva Pharmaceuticals in a significant expansion of its portfolio.

The Pantry Inc., down 61 cents to $16.75

Benchmark Co. downgraded the convenience store's shares after a recent rally, but raised its target price on the stock.

WPCS International Inc., up $1.02 to $2.53

The communications company announced a software platform that will allow bitcoin traders to operate on five exchanges.

Real Goods Solar Inc., up 26 cents to $2.81

Cowen & Co. upgraded the solar energy company, seeing lower costs after it acquired Syndicated Solar and Mercury Energy.