Benzinga's Top Pre-Market Gainers

Conceptus CPTS soared 19.77% to $31.02 in the pre-market trading after Bayer AG agreed to acquire the company for about $1.1 billion. SINA SINA moved up 10.34% to $55.50 in the pre-market session after the company formed a strategic alliance with Alibaba. NII Holdings NIHD shares gained 5.66% to $9.33 in the pre-market session. NII Holdings shares have dropped 36.93% over the past 52 weeks, while the S&P 500 index has gained 12.95% in the same period. Moody's MCO surged 5.06% to $57.91 in the pre-market session. Moody's PEG ratio is 1.05.