ProShares UltraPro Short QQQ, Direxion Daily MU Bull 2X Shares, and CBIZ are the three Mid Cap stocks to watch today, according to MarketBeat’s stock screener tool. Mid-cap stocks are shares of companies with a medium-sized market capitalization, generally falling between small-cap and large-cap companies. Get alerts:ProShares UltraPro Short QQQ (SQQQ)ProShares UltraPro Short QQQ (the Fund) seeks daily investment results, which corresponds to three times the inverse of the daily performance of the NASDAQ-100 Index (the Index). It operates through Financial Services, Benefits and Insurance Services, and National Practices segments. The Financial Services segment offers accounting and tax, financial advisory, valuation, risk and advisory, and government healthcare consulting services.