Nektar Therapeutics is Friday's top mover after declining 49.66%

Leading equity indices in the US declined as Nasdaq lost 1.69% and ended the session at 11,400. After dropping 1.02%, Dow Jones closed at 32,817.

“Top Movers” are assets that recorded the highest percentage change compared to their nearest peers. Friday's most active stocks are listed below.

Cyren gains 61.9% within 20 cents to 59 cents daily range

Cyren Ltd. ended Thursday's session at 21 cents. Friday started with an increase to 59 cents, but dropped back and closed at 34 cents. The company's market cap currently stands at $2.72 million with an average daily volume of 2.39 million shares.

Pre-market trading leads Nektar Therapeutics to drop to $1.46 (a 2% change) after ending Friday at $1.49

Friday's session continued down the same path: after ending Thursday at $2.96, Nektar Therapeutics dropped to $1.46 early in Friday's session and closed at $1.49. In total, it lost 49.66%. Nektar Therapeutics's market cap is currently $280 million with an average daily trading volume of 2.46 million shares.

Nektar Therapeutics is scheduled to announce earnings results tomorrow. The consensus EPS estimate is -0.45 and the consensus revenue estimate is $22.61 million.

Risk-off mood drags Carvana Co. 20.54% lower

More of the same from Friday's session: after ending Thursday at $10.08, Carvana Co. declined to $7.55 Friday before closing at $8, thereby losing 20.54% in total. Carvana Co. has a market cap of $1.42 billion with an average daily volume of 42.15 million shares. So far this year, it has been outperforming the Nasdaq by 41.75%.

Carvana Co. reported ambiguous earnings results Thursday, with revenue at $2.84 billion, compared to a consensus of $3.11 billion. Since the release of its earnings report, Carvana Co. lost 20.46%.

Bright Mountain Media | Closed Friday's session at 15 cents

Bright Mountain Media has lost 57.14% over the last 3 days. Friday's session continued the recent downtrend: during Friday's session, Bright Mountain Media toiled and struggled for upward momentum before closing at 15 cents. By the close, the the digital advertising specialist suffered a 3.75 cents or 20% loss.