Benzinga's Top Pre-Market Gainers

Tiffany & Co

soared 7.75% to $68.00 in the pre-market trading. TIF reported upbeat second-quarter results and raised its forecast for the year. Pandora Media Inc

surged 4.25% to $13.00 in the pre-market session. Pandora Media reported better-than-expected adjusted second-quarter earnings. Research In Motion Limited

added 2.23% to $28.85 in the pre-market session. Analysts at Sterne Agee upgraded RIMM from “neutral” to “buy.” American Tower Corporation

moved up 1.47% to $51.25 in the pre-market session. AMT agreed to merge with an entity called American Tower REIT Inc.