The companies whose shares are moving in pre-market trade on Friday are: Weyerhaeuser, Nabors Industries, Pier 1 Imports, Qualcomm, Helmerich & Payne, Freeport-McMoRan Copper, Netflix, Bally Technologies and Costco Wholesale Corp.

Weyerhaeuser Co. (NYSE:WY) shares gained 2.49 percent to $24.70 in pre-market trading session. The stock has a 52 week low of $15.06 and 52 week high of $53.69 and has $12.95 billion market capitalization.

Nabors Industries Ltd. (NYSE:NBR) shares gained 2.1 percent to $31.14 in pre-market trading session. The company stock was upgraded to “outperform” rating from “neutral” rating at Macquarie.

Pier 1 Imports Inc. (NYSE:PIR) shares advanced 1.97 percent to $11.88 in pre-market trading session. The company stock was upgraded to “buy” rating from “hold” rating at BB&T.

Qualcomm Inc. (NASDAQ:QCOM) shares gained 1.63 percent to $54.10 in pre-market trading session. On Thursday, the company announced a quarterly cash dividend of 21.5 cents per common share payable on June 24, 2011, an increase of about 13 percent over its prior dividend in February of 19 cents.

Helmerich & Payne Inc. (NYSE:HP) shares advanced 1.5 percent to $68.51 in pre-market trading session. The company stock was upgraded to “outperform” rating from “neutral” rating at Macquarie.

Freeport-McMoRan Copper & Gold Inc. (NYSE:FCX) shares advanced 1.5 percent to $58.30 in pre-market trading session. Gold advanced to a new record this morning as a weaker dollar and concerns about inflation and European debt boosted demand for the metal as an alternative investment.

Netflix Inc. (NASDAQ:NFLX) shares gained 1.17 percent to $236.70 in pre-market trading session. The stock has a 52 week low of $79.20 and 52 week high of $248.88 and has $12.37 billion market capitalization.

Bally Technologies Inc. (NYSE:BYI) shares plunged 4.06 percent to $36.15 in pre-market trading session. The company stock was downgraded to a “neutral” rating from “outperform” rating.

Costco Wholesale Corp. (NASDAQ:COST) shares declined 1.18 percent to $76.90 in pre-market trading session. The company stock was downgraded to a “neutral” rating from “buy” rating at Goldman Sachs.