Cogent Communications (CCOI) shares fell 11.5% in Friday afternoon trading after JPMorgan downgraded the stock to neutral from overweight, with a price target of $22 per share.
Trading volume stood at over 1.1 million shares, against a daily average of about 1.2 million.
Price: $17.53, Change: $-2.29, Percent Change: -11.55%