Twitter and Delta are big market movers

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

NYSE

Restoration Hardware Holdings Inc., up $9.05 to $80.40

There's some momentum building at the furniture and housewares store, which beat quarterly expectations and hiked its outlook.

Twitter Inc., up $1.25 to $36.79

Ali Rowghani, a one-time rising start at Pixar who became chief operating officer at the social media site, has resigned.

Marathon Oil Corp., up 67 cents to $39.15

Violent confrontations spreading across the Middle East, particularly in Iraq, are sending shares of major oil producers higher.

Wal-Mart Stores Inc., down 43 cents to $75.73

UBS removed the retailer from its most-preferred list after a string of same-store sales declines and a tepid outlook.

Delta Air Lines Inc., down $2.21 to $38.50

The airline is getting pummeled this week on the World Bank's dismal revision to global growth and a dour outlook from Lufthansa.

Nasdaq

Lululemon Athletica Inc., down $7.05 to $37.25

The yoga gear maker is flailing during a self-described transitional year and its full-year outlook sent investors scurrying.

Geron Corp., up 55 cents to $3.15

Regulators lifted a partial hold on the biotech company's trial for an experimental drug intended to treat a rare form of leukemia.

Lands' End Inc., up $2.18 to $28.81

The Sears spinoff posted a 68 percent spike in first-quarter profits as shoppers take to a greatly improved selection of products.