See which stocks are the top gainers amid today's bullish sentiment

Most markets are higher this morning as risk-on sentiment dominates: CRISPR Therapeutics AG, Marathon Digital Holdings, Inc., Intellia Therapeutics, Inc. are showing impressive gains as we move into the afternoon trading session.

Markets are up including news that Nasdaq up 1.66%, trading at 12,128. S&P 500 goes up 0.96%, trading at 4,131.41.

Today's rise takes place amid mixed market indicators — United States Producer Price Index published today at 12:30 UTC came out at -0.5%, falling short of the 0.1% projections and continuing its decline from the previous 0% figure.

Here are the biggest stocks gainers so far today.

CRISPR Therapeutics | +15.79% in mid-session

Despite closing yesterday at $43.47 and then climbing as high as $50.78 today, CRISPR Therapeutics has given up a sizeable portion of its gains to now trade at $50.34.

+12.3%: Intellia Therapeutics up 12.3%, trading around $38.84

After closing yesterday at $34.58, the biotech company went up to $39.34 only to drop back some of the way, and is now trading at $38.84. The biotech developer's market cap currently stands at $3.42 billion with an average daily volume of 1 million shares. So far this year, it has been under-performing the Nasdaq by 13.13%.

+15.58%: Marathon Digital Holdings, Inc. surges 15.58% after trading as low as $10.38

Following yesterday's session which closed at $9.95, Marathon Digital Holdings, Inc. went up to $11.65 today only to drop back and trade at $11.5. Marathon Digital Holdings, Inc. is currently trading with a market cap of $1.92 billion with an average daily trading volume of 37.59 million shares.