Benzinga's Top #PreMarket Gainers

shares climbed 139.84 percent to $5.90 in pre-market trading after the company reported that it has signed a 15-year license with Schlumberger Limited.

to provide exclusive rights to its vorteq hydraulic fracturing technology.

shares rose 8.33 percent to $78.00 in pre-market trading. SanDisk is reportedly in advanced talks to sell itself to Western Digital Corp.

, with deal being announced a soon as this week, according to sources as reported by Bloomberg on Monday.

shares surged 7.06 percent to $28.50 in pre-market trading after the company reported upbeat quarterly earnings.

shares rose 6.68 percent to $76.50 in pre-market trading following announcement of spinoff of China operations into a separate public company.

gained 4.82 percent to $13.48 in pre-market trading. Tower Semiconductor shares have jumped 39.03 percent over the past 52 weeks, while the S&P 500 index has gained 4.76 percent in the same period.