Question: What do System of a Down and Richard Donchian have in common? 

full_context: Document 1: Marc Rich: Marc Rich (born Marcell David Reich; December 18, 1934 – June 26, 2013) was an international commodities trader, hedge fund manager, financier and businessman. He was best known for founding the commodities company Glencore and for being indicted in the United States on federal charges of tax evasion and making controversial oil deals with Iran during the Iran hostage crisis. He was in Switzerland at the time of the indictment and never returned to the United States. He received a controversial presidential pardon from U.S. President Bill Clinton on January 20, 2001, Clinton's last day in office.
Document 2: Bill Williams (trader): Bill M. Williams (born 1932) is a British trader and author of books on trading psychology, technical analysis and chaos theory in trading the stock, commodity, and foreign exchange (Forex) markets. His study of stock market data led him to develop a number of technical analyses that identify trends in the financial markets. Indicators like Accelerator/Decelerator Oscillator, Alligator, Awesome Oscillator, Fractals, Gator Oscillator, and Market Facilitation Index are popular today in Forex, stock and other financial markets.
Document 3: Shavo Odadjian: Shavarsh "Shavo" Odadjian (Armenian: Շավարշ "Շավո" Օդաջյան ; born April 22, 1974) is an Armenian American songwriter, multi-instrumentalist, music video director/editor, music producer, and artist/painter. He is best known as the bassist, backing vocalist and occasional songwriter of the Grammy Award-winning metal band System of a Down. During the band's hiatus from 2006 to 2010, Odadjian collaborated with Wu-Tang Clan founder RZA on a project called AcHoZeN, which contributed a number of songs to the motion picture "Babylon A.D." A compilation album was released in 2015. Odadjian is also credited with the musical scoring of the film, alongside The Rza and Hans Zimmer. He originally used Gibson Thunderbird basses, a Fender Jazz Bass, an Ibanez BTB bass guitar, and a Music Man StingRay, but has since moved on to Warwick basses.
Document 4: System of a Down discography: System of a Down is an American rock band formed by musicians of Armenian origin: vocalist Serj Tankian, guitarist Daron Malakian, bassist Shavo Odadjian, and drummer John Dolmayan in the mid-1990s. They have released five studio albums, 16 singles, and 11 music videos. By the end of 1997, the group had signed to American Recordings, then distributed as Columbia Records. The following year, they released their eponymous debut album, which peaked at #124 on the United States' "Billboard" 200 and #103 on the United Kingdom's UK Albums Chart; it was certified platinum two years later by the Recording Industry Association of America (RIAA), and gold by Canadian Recording Industry Association (CRIA). Their eponymous debut album produced a single for the song "Sugar", which reached the top 30 on the "Billboard" mainstream rock songs and alternative songs charts. Their follow-up album, "Toxicity" (2001), topped the US and Canadian charts, and also reached the top 10 in Australia, Finland, and New Zealand. The album was certified triple platinum in its home country, and triple platinum in Australia by the Australian Recording Industry Association (ARIA), as well as double platinum by CRIA in Canada. "Toxicity" produced singles for the title track, "Chop Suey!", and "Aerials". The last of these peaked at number one on the "Billboard" Mainstream Rock Songs and Alternative Songs charts.
Document 5: Paul Tudor Jones: Paul Tudor Jones II (born September 28, 1954) is an American investor, hedge fund manager, and philanthropist. In 1980, he founded his hedge fund, Tudor Investment Corporation, an asset management firm headquartered in Greenwich, Connecticut. Soon after, he created the Tudor Group, a hedge fund holding company that specializes in fixed income, currencies, equities, and commodities.
Document 6: Ed Seykota: Edward Arthur Seykota (born August 7, 1946) is a commodities trader, who earned S.B. degrees in Electrical Engineering from MIT and Management from the MIT Sloan School of Management, both in 1969. In 1970 he pioneered Systems trading by using early punched card computers to test ideas on trading the markets. Seykota resided in Incline Village, Nevada, on the north shore of Lake Tahoe, but recently moved to Texas.
Document 7: John Dolmayan: John Hovig Dolmayan (Armenian: Ջոն Դոլմայան , born July 15, 1973) is a Lebanese-born Armenian–American songwriter and drummer. He is best known as the drummer of System of a Down. Dolmayan is also the drummer for the band Indicator and former drummer for Scars on Broadway. His energetic live performances with System Of A Down over the years, have garnered him critical acclaim. Loudwire listed him as one of the "Top 50 Hard Rock + Metal Drummers Of All Time" , with Dolmayan being ranked at #22.
Document 8: Arvind Raghunathan: Arvind Raghunathan (born October 24, 1963) is a Hedge Fund Manager. He is the founder and CEO of Roc Capital Management LP (the largest Hedge Fund launch of 2009). On February 25, 2009, it was announced that Raghunathan and his associates would be leaving Deutsche Bank to set up the independent quant trading hedge fund. It was rumored in late July 2013 that the main fund of Roc Capital Management would be liquidated after losses.
Document 9: Daron Malakian: Daron Vartan Malakian (Armenian: Տարօն/Տարոն Վարդան Մալաքեան, born July 18, 1975) is an Armenian–American singer-songwriter, multi-instrumentalist, and record producer. He is best known as the guitarist, songwriter and second vocalist of the rock band System of a Down and as the lead vocalist, lead guitarist and songwriter of the band Scars on Broadway. Like the rest of the Hollywood-based band System of a Down, he is of Armenian ancestry, but he is the only member to have been born in the United States. Daron Malakian is known for his distinctive playing and is ranked 40th in Loudwire's list of "Top 50 Hard Rock + Metal Guitarists Of All Time" and #11 in MusicRadar's poll, "The 20 Greatest Metal Guitarists Ever". He is placed 30th in Guitar World's List of The 100 Greatest Heavy Metal Guitarists of All Time.
Document 10: System of a Down: System of a Down, sometimes shortened to System and abbreviated as SOAD, is an Armenian-American heavy metal band from Glendale, California, formed in 1994. The band currently consists of Serj Tankian (lead vocals, keyboards), Daron Malakian (vocals, guitar), Shavo Odadjian (bass, backing vocals) and John Dolmayan (drums).
Document 11: Serart: Serart is a collaboration album by two international Armenian musicians: Serj Tankian ("Ser-"), lead singer of System of a Down, and folk multi-instrumentalist Arto Tunçboyacıyan ("-art"). It was the first release on Tankian's own label, Serjical Strike Records.
Document 12: Richard Donchian: Richard Davoud Donchian (born September 1905, Hartford, Connecticut – d. 1993) was an Armenian-American commodities and futures trader, and pioneer in the field of managed futures.
Document 13: Serj Tankian: Serj Tankian (Western Armenian: Սերժ Թանկեան , ] ; born August 21, 1967) is a Lebanese-born Armenian-American singer-songwriter, composer, multi-instrumentalist, record producer, poet, and political activist with Armenian descent. He is best known as the lead vocalist, songwriter, keyboardist, and occasional live rhythm guitarist of the metal band System of a Down, formed in 1994.
Document 14: John D. Arnold: John Douglas Arnold (born 1974) is an American billionaire and former hedge fund manager who specializes in natural gas trading. His firm, Centaurus Advisors, LLC, was a Houston-based hedge fund that specialized in trading energy products. Arnold announced his retirement from running the hedge fund on May 2, 2012.
Document 15: Donchian channel: The Donchian channel is an indicator used in market trading developed by Richard Donchian. It is formed by taking the highest high and the lowest low of the last "n" periods. The area between the high and the low is the channel for the period chosen.
ground_truth: Armenian-American