Amyris Inc, Delhaize Group, Novo Nordisk, Harmony Gold Mining, ArcelorMittal, Weatherford International, Randgold Resources and 3D Systems Corp are among the companies whose shares are moving in pre-market trading Wednesday.

Amyris Inc. (AMRS) stock rallied 19.69 percent to $3.10 in pre-market trading. Its third quarter net loss narrowed to $20.3 million or $0.34 per share from a loss of $43.7 million $0.97 per share in the same period last year. Adjusted net loss was $0.22 per share compared to $0.82 per share last year.

Delhaize Group (DEG) stock climbed 6.82 percent to $39.32 in pre-market trading. The company reported the third quarter net income of 191 million euro’s or 1.88 euro’s per share, up from 133 million euros or 1.32 euros per share in the same period last year. Revenues rose to 5.815 billion euros from 5.328 billion euros last year.

Novo Nordisk A/S (NVO) stock surged 4.70 percent to $152.00 in pre-market trading. The company stock tumbled more than 9 percent in regular trading.

Harmony Gold Mining Co. (HMY) stock advanced 1.61 percent to $8.19 in pre-market trading. The stock has a 52-week low of $7.76, a 52-week high of $14.64 and $3.51 billion in market capitalization.

ArcelorMittal (MT) stock gained 1.01 percent to $15.97 in pre-market trading.  Moody’s Investors Service has downgraded its debt rating on ArcelorMittal to junk status with a negative outlook, citing the deteriorating global market scenario.

Weatherford International Ltd. (WFT) stock gained 1.47 percent to $11.70 in pre-market trading. The stock has a 52-week low of $11.09, a 52-week high of $18.33 and $8.76 billion in market capitalization.

Randgold Resources Ltd. (GOLD) stock plunged 5.75 percent to $114.47 in pre-market trading. Its third quarter profit attributable to equity shareholders declined to $103.3 million or $1.12 per share from $106.7 million or $1.17 per share in the same period last year and also fell short of Reuters’ estimate of $1.28 per share.

3D Systems Corp. (DDD) stock fell 1.01 percent to $43.00 in pre-market trading. The stock has a 52-week low of $14.21, a 52-week high of $46.23 and $2.48 billion in market capitalization.