Yum! Brands, Inc, Harmony Gold Mining Co, Qlik Technologies Inc, Gold Fields Ltd, Cummins Inc, Monster Beverage Corp, Time Warner Inc and Caterpillar Inc. are among the companies whose shares are moving in pre-market trading Wednesday.

Yum! Brands, Inc. (YUM) stock climbed 5 percent to $68.99 in pre-market trading. The company reported the third quarter adjusted net income of $0.99 per share on revenues of $3.57 billion, up from $0.80 per share on revenues of $3.27 billion in the same period last year. YUM currently expects the fiscal 2012 adjusted net profit will be at least $3.24 per share, up from its prior estimation of $3.22 per share.

Harmony Gold Mining Co. (HMY) stock surged 4.19 percent to $8.20 in pre-market trading. The stock has a 52-week low of $7.76, a 52-week high of $14.64 and $3.40 billion in market capitalization.

Qlik Technologies Inc. (QLIK) stock surged 3.35 percent to $20.95 in pre-market trading. The company will report its third quarter 2012 financial results after the markets close Thursday, Oct. 25, 2012.

Gold Fields Ltd. (GFI) stock gained 2.46 percent to $12.50 in pre-market trading. The stock has a 52-week low of $11.71, a 52-week high of $18.39 and $8.89 billion in market capitalization.

Cummins Inc. (CMI) stock plunged 4.41 percent to $86.83 in pre-market trading after lowering its full-year revenue guidance. The company currently expects the fiscal 2012 revenue will be approximately $17 billion, down from its prior estimate of $18 billion.

Monster Beverage Corp. (MNST) stock plunged 2.19 percent to $55.50 in pre-market trading. The stock has a 52-week low of $40.88, a 52-week high of $83.96 and $10.01 billion in market capitalization.

Time Warner Inc. (TWX) stock fell 1.78 percent to $44.75 in pre-market trading. The stock has a 52-week low of $31.26, a 52-week high of $46.59 and $43.23 billion in market capitalization.

Caterpillar Inc. (CAT) stock declined 1.47 percent to $83.50 in pre-market trading. Analysts at Piper Jaffray initiated coverage on the shares of Caterpillar with a “neutral” rating Tuesday and set a price target of $90.00.