By Peter Nurse

Investing.com -- Stocks in focus in premarket trade on Thursday, February 16th. Please refresh for updates.

• Roku (NASDAQ: ROKU) stock rose 12.62% after the streaming device company beat fourth quarter revenue estimates and reported a 16% jump in active users. It also forecast strong growth in the current quarter, expecting its streaming devices and content platform to drive growth.

• Shopify (NYSE: SHOP) stock fell almost 10% after the e-commerce platform for businesses unveiled a weaker-than-anticipated financial outlook despite reporting a surprise profit in the fourth quarter.

• Cisco Systems (NASDAQ: CSCO) rose 3.5% after the tech company raised its full-year earnings forecast and delivered strong second quarter results, indicating that spending on network infrastructure was staying resilient.

• Hasbro (NASDAQ: HAS) stock rose 1.1%, helped by the toymaker's fantasy card game "Magic: The Gathering" generating $1 billion in sales for the first time.

• Paramount Global (NASDAQ: PARA) stock fell 6.7% after the media giant missed quarterly revenue expectations, weighed down by more users cutting their Pay-TV plans and extended weakness in its advertising business.

• Twilio (NYSE: TWLO) stock soared 15% after the cloud communications company beat quarterly revenue expectations. It had announced another round of layoffs earlier in the week in an attempt to boost profitability.

• Boston Beer (NYSE: SAM) stock fell 12% after the brewer recorded a surprise fourth quarter loss, citing "supply-chain inefficiencies."

• Zillow Group (NASDAQ: ZG) stock rose 4.1% after the real estate marketplace beat expectations on both the top and bottom lines, seeing growth in multifamily properties.