Schweizerische Nationalbank, an independent central bank, provides banking services to the Swiss Confederation. The company implements its monetary policy by steering the interest rate level on the money market; supplies the Swiss economy with banknotes and coins commensurate with demand for payment purposes; distributes banknotes and coins; facilitates and secures the operation of cashless payment systems; and manages the currency reserves. It also analyses the sources of risk to the financial system and identifies areas where action is needed, and oversees financial market infrastructures, as well as facilitates the creation and implementation of a regulatory framework for the financial sector; and participates in international monetary cooperation and provides technical assistance. In addition, the company processes payments on behalf of the confederation; issues money market debt register claims and confederation bonds; handles the custody of securities; and carries out foreign exchange transactions. Further, it compiles statistical data on banks and financial markets, the balance of payments, direct investment, the international investment position, and the Swiss financial accounts. The company was founded in 1907 and is headquartered in Berne, Switzerland.

Berkshire Hathaway Inc., through its subsidiaries, engages in the insurance, freight rail transportation, and utility businesses worldwide. It provides property, casualty, life, accident, and health insurance and reinsurance; and operates railroad systems in North America. The company also generates, transmits, stores, and distributes electricity from natural gas, coal, wind, solar, hydro, nuclear, and geothermal sources; operates natural gas distribution and storage facilities, interstate pipelines, liquefied natural gas facilities, and compressor and meter stations; and holds interest in coal mining assets. In addition, the company manufactures boxed chocolates and other confectionery products; specialty chemicals, metal cutting tools, and components for aerospace and power generation applications; and flooring, insulation, roofing and engineered, building and engineered components, paints and coatings, and bricks and masonry products, as well as offers manufactured and site-built home construction, and related lending and financial services; and recreational vehicles, apparel products, jewelry, and custom picture framing products, and alkaline batteries. Further, it manufactures castings, forgings, fasteners/fastener systems, and aerostructures; and seamless pipes, fittings, downhole casing and tubing, and various mill forms. Additionally, the company distributes televisions and information; franchises and services quick service restaurants; distributes electronic components; and offers logistics services, grocery and foodservice distribution services, and professional aviation training and shared aircraft ownership programs. It also retails automobiles; furniture, bedding, and accessories; household appliances, electronics, and computers; jewelry, watches, crystal, china, stemware, flatware, gifts, and collectibles; kitchenware; and motorcycle apparel and equipment. The company was incorporated in 1998 and is headquartered in Omaha, Nebraska.

PAO Severstal, together with its subsidiaries, operates as an integrated steel and steel-related mining company in Russia, Europe, CIS, the Middle East, North America, Africa, Central and South America, and Asia. The company operates through two divisions, Severstal Resources and Severstal Russian Steel. It produces iron ore pellets, iron ore concentrates, crushed stones, and ferrite strontium powder; and coking and steam coal, and coking coal concentrates; blast furnace unfluxed and fluxed pellets, as well as iron ore to steel producers. The company also provides flat and long-rolled products, hot and cold-rolled flat products, galvanized and color coated products, and long-steel applications for use in automotive and construction industry; pipes for use in oil and gas pipeline projects; and cold-drawn steel products, steel shapes, railway fasteners, low carbon and high carbon wires, nails, steel fiber products, steel wire ropes, wire strands, and steel meshes and fasteners. In addition, it engages in repair and steel construction, air transport, scrap processing, steel machining, and shipping operations. The company offers metal products for construction and service processing, oil and gas, tube and pipe, machinery, automotive, and other companies. PAO Severstal sells its products to regional and national distributors, and directly to end-users, as well as through a network of metal centers. The company was formerly known as Open Joint-Stock Company Severstal and changed its name to PAO Severstal in December 2014. PAO Severstal was founded in 1955 and is headquartered in Moscow, Russia.

Zegona Communications plc focuses on investing in telecommunications, media, and technology businesses in Europe. The company was incorporated in 2015 and is based in London, the United Kingdom.

GB Global Limited manufactures and sells textiles and garments in India. The company is involved in the yarn dyeing, weaving, printing, and processing activities. It also exports its products. The company was formerly known as Mandhana Industries Limited and changed its name to GB Global Limited in August 2019. GB Global Limited was incorporated in 1984 and is based in Mumbai, India.

MRF Limited, together with its subsidiaries, manufactures, distributes, and sells rubber products in India and internationally. The company offers rubber products, such as tyres, tubes, flaps, and tread rubber. It also engages in the paints and coats, toys, motorsports, and cricket training businesses. The company offers tyres for trucks, farm services, LCVs, SCVs, three wheelers, pick up, two wheelers, passenger cars, and OTRs. In addition, it operates MRF TireTok, MRF Tyredrome, MRF FASST, MRF Musclezone, and shops that offer computerized nitrogen inflation, tubeless repair, wheel alignment, wheel balancing and tyre changing, robotic wheel alignment, vehicle safety test lane, diagnostic wheel balancing, A/C recovery and recharging, electronic headlight alignment, nitrogen generation, special two-wheeler tyre changing, credit card facility, wheels removal and refitment, and tyre mounting and de-mounting services. The company sells its products through approximately 4,000 dealer networks. MRF Limited was founded in 1946 and is based in Chennai, India.

MRF Limited, together with its subsidiaries, manufactures, distributes, and sells rubber products in India and internationally. The company offers rubber products, such as tyres, tubes, flaps, and tread rubber. It also engages in the paints and coats, toys, motorsports, and cricket training businesses. The company offers tyres for trucks, farm services, LCVs, SCVs, three wheelers, pick up, two wheelers, passenger cars, and OTRs. In addition, it operates MRF TireTok, MRF Tyredrome, MRF FASST, MRF Musclezone, and shops that offer computerized nitrogen inflation, tubeless repair, wheel alignment, wheel balancing and tyre changing, robotic wheel alignment, vehicle safety test lane, diagnostic wheel balancing, A/C recovery and recharging, electronic headlight alignment, nitrogen generation, special two-wheeler tyre changing, credit card facility, wheels removal and refitment, and tyre mounting and de-mounting services. The company sells its products through approximately 5,000 dealer networks. MRF Limited was founded in 1946 and is based in Chennai, India.

SEL Manufacturing Company Limited, an integrated textile company, engages in the spinning, knitting, and processing of yarns and fabrics in India and internationally. The company offers cotton combed/carded knitting yarns, slub yarns, organic cotton yarns, poly/cotton blends, TFO double yarns, elitwist yarns, compact yarns, polyester/viscose blended yarns, cotton/modal blends, cotton bamboo blends, zero twist yarns, and melange yarns. It also provides terry towels, including beach, bath, kitchen, Christmas, and embroidered/embellished towels, as well as terry made ups; and readymade garments, such as T-shirts, tops, inner wears, night suits, boxers, sweaters, etc. for men and boys, and women and girls, as well as infants, toddlers, and kids. In addition, the company offers knitted fabrics consisting of single jersey, pique, sheer jersey, interlock, waffle, ottoman, flat back rib, yarn dyed striper, mini-jacquard, electronic jacquard, velour, pointel, suede, rib, variegated rib, cotton fleece, and polyester fleece fabrics, as well as knitted garments, processed fabrics, and various kinds of yarn. SEL Manufacturing Company Limited was founded in 1969 and is based in Ludhiana, India.

Jeevan Scientific Technology Limited engages in the clinical research, data management, and information technology businesses in India. The company's services include BA/BE studies that comprise bioanalytical and clinical services, pharmacokinetic and bio-statistics, and glucose clamping; clinical trial services, such as medical writing, clinical trial management and monitoring, drug safety and clinical data management, biostatistics and statistical programming, and quality assurance; and pharmacovigilance services, including ICSR management, aggregate safety reports, risk management plan, signal detection, medical information call center, and other integrated services. It also provides services in the areas of test assessment, test center of excellence, process establishment, and functional and non-functional testing. The company was formerly known as Jeevan Softech Limited and changed its name to Jeevan Scientific Technology Limited in March 2011. Jeevan Scientific Technology Limited was founded in 1999 and is based in Hyderabad, India.

Invesco QQQ Trust, Series 1 is an exchange traded fund launched by Invesco Ltd. The fund is managed by Invesco Capital Management LLC. The fund invests in public equity markets of global region. The fund invests in stocks of companies operating across energy, real estate, materials, industrials, consumer discretionary, consumer staples, health care, information technology, communication services, utilities sectors. It invests in growth and value stocks of large-cap companies. It seeks to track the performance of the NASDAQ-100 Index, by using full replication technique. Invesco QQQ Trust, Series 1 was formed on March 10, 1999 and is domiciled in the United States.