A Best Buy store in Westminster, Colo.
A Best Buy store in Westminster, Colo. Reuters

Threshold Pharmaceuticals, Best Buy Co, Ceragon Networks, United Parcel Service, JinkoSolar Holding, Toll Brothers, BHP Billiton Plc and AEGON are among the companies whose shares are moving in pre-market trading Wednesday.

Threshold Pharmaceuticals, Inc. (NASDAQ:THLD) stock climbed 5.38 percent to $4.70 in pre-market trading. The stock has a 52-week low of $3.30, a 52-week high of $9.28 and $250.88 million in market capitalization.

Best Buy Co. Inc. (NYSE:BBY) stock surged 3.87 percent to $18.00 in pre-market trading. The company stock was upgraded to “buy” rating from a “hold” rating by Stifel Nicolaus with a price target of $23.00 Tuesday.

Ceragon Networks Ltd. (NASDAQ:CRNT) stock advanced 2.78 percent to $4.80 in pre-market trading. The company announced Wednesday that it has received initial orders from PEG Bandwidth for the FibeAir IP20-C, Ceragon's recently launched, new-generation multi-core, packet radio solutions.

United Parcel Service, Inc. (NYSE:UPS) stock gained 2.50 percent to $86.88 in pre-market trading. The stock has a 52-week low of $69.56, a 52-week high of $84.87 and $80.86 billion in market capitalization.

JinkoSolar Holding Co., Ltd. (NYSE:JKS) stock gained 2.59 percent to $9.90 in pre-market trading. The company announced that it has entered into a strategic cooperation agreement with China Three Gorges New Energy Corp. to deliver, during the three years from 2013 to 2015, a total of 600 megawatts of its high-efficiency solar panels to be installed in western China.

Toll Brothers Inc. (NYSE:TOL) stock plunged 5.15 percent to $35.00 in pre-market trading. The company swung to first quarter net profit of $4.4 million or $0.03 per share compared to net loss of $2.8 million, or $0.02 per share in the same period last year but missed analysts’ estimation for a net profit of $0.10 per share.

BHP Billiton Plc. (NYSE:BBL) stock plunged 3.14 percent to $66.97 in pre-market trading. The stock has a 52-week low of $51.34, a 52-week high of $72.40 and $72.99 billion in market capitalization.

AEGON N.V. (NYSE:AEG) stock declined 2.92 percent to $6.65 in pre-market trading. The stock has a 52-week low of $3.93, a 52-week high of $6.95 and $13.11 billion in market capitalization.