Image from MarketBeat Media, LLC. Key Points Five large-cap names to watch: Invesco QQQ (QQQ), NVIDIA (NVDA), Tesla (TSLA), Micron (MU) and SanDisk (SNDK) were flagged by MarketBeat's screener as the top large-cap stocks based on the highest dollar trading volume in recent days. QQQ = Nasdaq‑100 exposure: PowerShares QQQ is a unit investment trust that seeks to track the Nasdaq‑100, offering concentrated mega‑cap tech exposure ahead of earnings that could steer the sector's next big move. Sector and company drivers: The list emphasizes NVDA (GPUs/AI and data-center compute), TSLA (EVs and energy), MU (memory/storage) and SNDK (flash storage), all of which are likely to be sensitive to upcoming earnings and valuation rotation dynamics.