Morning Market Losers

Northern Dynasty Minerals (NYSE: NAK ) dropped 39.64% to $1.34. Northern Dynasty Minerals shares have dropped 43.65% over the past 52 weeks, while the S&P 500 index has gained 15.52% in the same period. Perion Network (NASDAQ: PERI ) plummeted 12.38% to $11.54 as the company announced an agreement