Recapping the Leaders and Laggards in stocks

Charles River is today's top mover after declining 11.7%

The leading indices are slipping — S&P 500 drawing back 0.26% to 3,986.75. Nasdaq drawing back 0.27% to 11,461.

Today's price action is taking place amid mixed market indicators – United States Existing Home Sales (Jan) released yesterday at 15:00 UTC with a figure of 4 million, while the previous figure was 4 million.

“Top Movers” are assets that recorded the highest percentage change compared to their nearest peers. The currently most active healthcare stocks are listed below.

CRISPR Therapeutics | +6.85% to start today's session

After closing the previous trading day at $46.63, CRISPR Therapeutics is up to $49.83, which makes for a move of 6.85%/$3.2 today.

Nektar Therapeutics surges 4.95% to $2.97

After closing the previous trading day at $2.83, Nektar Therapeutics is up to $2.97, which makes for a move of 4.95%/14 cents today. Nektar Therapeutics's market cap currently stands at $558.22 million with an average daily trading volume of 1.54 million shares.

Nektar Therapeutics is scheduled to announce earnings results Monday. The consensus Earnings Per Share estimate is -0.45 and the consensus revenue estimate is $22.61 million.

Charles River | Currently down 11.7% at $215.09

While on a 3 day downtrend, dropping a total of 15.4%, More of the same today: Charles River is down to $215.09, after ending yesterday at $243.6. Overall, a 11.7% loss or $28.51 today.

Charles River is scheduled to announce earnings results today. The consensus EPS estimate is 2.75 and the consensus revenue estimate is $1 billion.