Image from MarketBeat Media, LLC. Key Points Invesco QQQ (QQQ), NVIDIA (NVDA), Tesla (TSLA), Amazon.com (AMZN) and Sandisk (SNDK) are the five large-cap stocks MarketBeat flags as worth watching on February 17. These names were selected because they had the highest dollar trading volume among large-cap stocks in recent days, indicating elevated market interest and liquidity. QQQ is an ETF that tracks the Nasdaq‑100 (not a single company), so its inclusion signals broader mega‑cap tech exposure while the other listings represent individual leaders in GPUs, EVs e‑commerce/cloud, and flash storage. Mega-Cap Earnings Could Decide the Tech Sector’s Next Big Move Invesco QQQ, NVIDIA, Tesla, Amazon.com, and Sandisk are the five Large Cap stocks to watch today, according to MarketBeat's stock screener tool. Large-cap stocks are shares of companies with large market capitalizations — calculated as share price multiplied by the number of outstanding shares — typically above about $10 billion. These companies are usually well established and financially stable, often paying dividends and offering lower volatility and steadier long-term growth compared with small- or mid-cap stocks. These companies had the highest dollar trading volume of any Large Cap stocks within the last several days. Get Invesco QQQ alerts: