SunPower Corp, Activision Blizzard, Research In Motion, Silver Wheaton, Endeavour Silver, Carnival Corp, First Solar and Newmont Mining Corp. are among the companies whose shares are moving in pre-market trading Friday.

SunPower Corp. (SPWR) stock climbed 4.74 percent to $9.50 in pre-market trading. The company’s stock was upgraded to a “buy” rating from a “neutral” rating at Lazard Capital Markets LLC Thursday.

Activision Blizzard, Inc. (ATVI) stock gained 1.82 percent to $11.21 in pre-market trading. The stock has a 52-week low of $10.45, a 52-week high of $13.01 and $12.25 billion in market capitalization.

Research In Motion Ltd. (RIMM) stock gained 0.61 percent to $11.54 in pre-market trading. . The stock has a 52-week low of $6.22, a 52-week high of $17.96 and $5.91 billion in market capitalization.

Silver Wheaton Corp. (SLW) stock plunged 3.48 percent to $34.37 in pre-market trading. The stock has a 52-week low of $22.94, a 52-week high of $41.30 and $12.62 billion in market capitalization.

Endeavour Silver Corp. (EXK) stock declined 2.15 percent to $7.72 in pre-market trading. The company’s stock plunged more than 5 percent in regular trading Thursday.

Carnival Corp. (CCL) stock declined 1.84 percent to $36.35 in pre-market trading. The stock has a 52-week low of $29.15, a 52-week high of $39.95 and $28.74 billion in market capitalization.

First Solar, Inc. (FSLR) stock fell 1.02 percent to $34.06 in pre-market trading. The company’s stock climbed more than 7.5 percent in regular trading Thursday after it was upgraded to “sell” rating from “strong sell” rating at S&P Capital IQ.

Newmont Mining Corp. (NEM) stock fell 1.40 percent to $44.98 in pre-market trading. The stock has a 52-week low of $42.95, a 52-week high of $64.62 and $22.65 billion in market capitalization.