ProShares UltraPro Short QQQ, Applied Optoelectronics, Duolingo, American Airlines Group, and BXP are the five Mid Cap stocks to watch today, according to MarketBeat’s stock screener tool. Mid-cap stocks are shares of companies with a market capitalization typically between about $2 billion and $10 billion, though exact cutoffs vary by index and provider. They are generally seen by investors as a middle ground between large caps and small caps, offering a balance of growth potential and relatively moderate risk. These companies had the highest dollar trading volume of any Mid Cap stocks within the last several days.

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). The Index includes 100 of the non-financial domestic and international issues listed on National Association of Securities Dealers Automated Quotation (NASDAQ) Stock Market.

Applied Optoelectronics, Inc. designs, manufactures, and sells fiber-optic networking products in the United States, Taiwan, and China. It offers optical modules, optical filters, lasers, laser components, subassemblies, transmitters and transceivers, turn-key equipment, headend, node, distribution equipment, and amplifiers.

Duolingo, Inc. operates as a mobile learning platform in the United States, the United Kingdom, and internationally. The company offers courses in 40 different languages, including Spanish, English, French, German, Italian, Portuguese, Japanese, and Chinese through its Duolingo app. It also provides a digital English language proficiency assessment exam.

American Airlines Group Inc., through its subsidiaries, operates as a network air carrier. The company provides scheduled air transportation services for passengers and cargo through its hubs in Charlotte, Chicago, Dallas/Fort Worth, Los Angeles, Miami, New York, Philadelphia, Phoenix, and Washington, D.C., as well as through partner gateways in London, Doha, Madrid, Seattle/Tacoma, Sydney, and Tokyo.

Boston Properties, Inc. (NYSE: BXP) (BXP or the Company) is the largest publicly traded developer, owner, and manager of premier workplaces in the United States, concentrated in six dynamic gateway markets – Boston, Los Angeles, New York, San Francisco, Seattle, and Washington, DC. BXP has delivered places that power progress for our clients and communities for more than 50 years.