BioDelivery Sciences International, Inc. (NASDAQ:BDSI), InvenSense Inc (NYSE:INVN) and Discovery Laboratories, Inc. (NASDAQ:DSCO) kicked off the week strong and are this Monday’s top midday gainers. Adept Technology Inc (NASDAQ:ADEP), Northwest Biotherapeutics, Inc (NASDAQ:NWBO) and NanoString Technologies Inc (NASDAQ:NSTG) are the losers.

Northwest Biotherapeutics

BioDelivery Sciences Surges on Positive Drug Trial Results

Today’s top midday gainer is BioDelivery Sciences International, Inc. (NASDAQ:BDSI), is a development-stage biotechnology company. Its price climbed +10.12% on positive drug trial results. Billionaire Julian Robertson has owned 511,000 BDSI shares since the fourth quarter of 2013.

InvenSense Inc (NYSE:INVN) also got a strong start to the day, up +7.07%. The motion technology company has been generating quite a bit of buzz as of late and has many investors, including George Soros, excited. Its price is up +15.5% YTD and +52.87% over the past year.

Rounding out today’s list of midday gainers is Discovery Laboratories, Inc. (NASDAQ:DSCO), the price of which surged +5.88%. A new Q1 pick for Soros, DSCO has struggled in 2014 and is down -11.56% YTD, though it has rebounded +17.06% over the last month.

Northwest Biotherapeutics Dips

Adept Technology Inc (NASDAQ:ADEP) posted a loss of -8.71% midday today, continuing a bad 2014 run. The share price of the Q1 Soros acquisition has declined -41.23% year-to-date.

Northwest Biotherapeutics, Inc (NASDAQ:NWBO), also a new first quarter buy for Soros, dipped -8.68%. The biotech firm has proven an interesting case to follow in 2014, as the company has embarked on a massive promotional campaign that has some analysts crying foul. And at the start of this month, Glancy Binkow & Goldberg LLP announced that it was investigating potential investor claims. The stock is up +72.68% YTD.

Down -8.45%, NanoString Technologies Inc (NASDAQ:NSTG) rounds out today’s list of midday losers. This is yet another new Q1 buy for billionaire hedge fund manager George Soros. Its price has declined -7.59% over the past month.