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

Most markets are higher this morning as risk-on sentiment dominates: Virgin Galactic Holdings, Inc., SuperCom Ltd., Kaltura, Inc. are showing impressive gains as we move into the afternoon trading session.

The leading indices are pointing up — S&P 500 up to 4,438, gaining 0.27%. Dow Jones up 0.22%, trading at 34,500.

Uptick coincides with some positive signs published earlier as highly important Retail Sales data from United States beat analyst expectations of -0.1% with a reading of 0.3%.

Here are the biggest stocks gainers so far today.

+18.47%: Virgin Galactic up 18.47%, trading around $4.81

The space tourism spearhead trades at $4.81 today, after closing yesterday at $4.06 and gaining 74.97 cents (18.47%). The company's market cap currently stands at $1.41 billion with an average daily volume of 13.58 million shares. So far this year, it has been under-performing the Nasdaq by 7.17%.

Coherent | +6.44% in mid-session

Coherent hit a significant low of $27.66 around a month ago, but has since recovered 85.36%. Currently, the lasers and photonics technology developer has a market capitalization of $7.33 billion with an average daily volume of 3.63 million shares. Coherent has a forecast of $1.34 billion with an EPS of 82 cents.

Kaltura is up 6.57% to $2.11, building on its 11 day of gains.

The NY-based software company gaining 6.57% and hovering around the $2.11 level. The company has a market cap of $287.83 million with an average daily volume of 281,546 shares.

+10.27%: SuperCom jumps to $1.18 up 10.27%

SuperCom rallies 10.99 cents (10.27%) deep into the session, trading at $1.18. SuperCom's market cap currently stands at $5.79 million with an average daily trading volume of 31,647 shares.