Skullcandy Inc., Altera Corporation, Dell Inc, Vodafone Group Plc, STMicroelectronics N.V., Lululemon Athletica Inc., Crestwood Midstream Partners, Hospitality Properties Trust, The Coca-Cola Company and Holly Energy Partners L.P are among the companies whose shares are moving in the pre-market trading Tuesday.

Gainers

Skullcandy Inc. (NASDAQ:SKUL) shares surged 6.00 percent to $5.65 in pre-market trading. The company announced that its board of directors has appointed Hoby Darling as President and Chief Executive Officer with immediate effect.

Altera Corporation (NASDAQ:ALTR) stock climbed 3.44 percent to $35.75 in pre-market trading. The company announced Monday its 28 nm Cyclone® V GT FPGA completed compliance testing with the PCI Express® (PCIe®) 2.0 specifications. Available in production today, the Cyclone V GT FPGA is the industry's first low-cost, low-power FPGA to achieve PCIe 2.0 interoperability with data rates of 5 Gbps.

Dell Inc. (NASDAQ:DELL) stock advanced 1.91 percent to $14.44 in pre-market trading. The company shares have a 52-week trading range of $8.69-$17.46 and a market capitalization of $24.76 billion.

Vodafone Group Plc (NASDAQ:VOD) stock gained 2.01 percent to $28.49 in pre-market trading. The stock has a 52-week low of $24.42, a 52-week high of $30.07 and a market capitalization of $137.36 billion.

STMicroelectronics N.V. (NYSE:STM) declined 1.64 percent to $8.04 in pre-market trading. The company shares have a 52-week low of $4.51, a 52-week high of $9.09 and a market capitalization of $7.02 billion.

Losers

Lululemon Athletica Inc. (NASDAQ:LULU) shares dropped 5.61 percent to $62.20 in pre-market trading. The company announced late Monday that its first quarter earnings will be significantly impacted after large shipments of its iconic yoga pants were deemed to be too see-through for the store’s standards. Revenue for the quarter is now expected to be in the range of $10 million to $20 million below its previous forecast of $353 million.

Crestwood Midstream Partners L.P. (NYSE:CMLP) shares declined 4.63 percent to $23.70 in pre-market trading. The company said Monday that it has commenced a public offering of 4.5 million common units representing limited partner interests.

Hospitality Properties Trust (NYSE:HPT) stock declined 4.60 percent to $25.94 in pre-market trading. Hospitality Properties Trust, a real estate investment trust, has commenced a public offering of 10,000,000 common shares, it stated Monday.

The Coca-Cola Company (NYSE:KO) stock declined 4.54 percent to $37.00 in pre-market trading. The stock has a 52-week low of $34.94, a 52-week high of $40.67 and $172.74 billion in market capitalization.

Holly Energy Partners L.P. (NYSE:HEP) shares declined 3.97 percent to $40.60 in pre-market trading. The company announced Monday that it intends to offer 1,875,000 common units representing limited partner interests in an underwritten public offering. In addition, HollyFrontier Corporation (NYSE: HFC) and certain of its affiliates are collectively offering 1,875,000 common units in the offering as selling unitholders.

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