"SEC.gov - Reverse Stock Splits". sec.gov. 3 November 2000. https://www.sec.gov/answers/reversesplit.htm
Kawamoto, Dawn (November 16, 2000). "Reverse splits aren't always reversals of fortune". CNET. Archived from the original on June 23, 2024. https://web.archive.org/web/20240623013446/https://www.cnet.com/tech/tech-industry/reverse-splits-arent-always-reversals-of-fortune/
"Google Scholar". google.com. https://scholar.google.com/scholar_case?case=1556974712183712190&q=Sound+Infiniti+v.+snyder+&hl=en&as_sdt=100000000000002
root. "Reverse/Forward Stock Split". Investopedia. http://www.investopedia.com/terms/r/reverse-forward-split.asp
"SEC.gov - Reverse Stock Splits". sec.gov. 3 November 2000. https://www.sec.gov/answers/reversesplit.htm
Quotes, dates and split dates for ZSL come from Fidelity as accessed via their Active Trader Pro console
"ProShares UltraShort Silver, ZSL Historical Quote - (NAR) ZSL, ProShares UltraShort Silver Stock Price - BigCharts.com". marketwatch.com. http://bigcharts.marketwatch.com/historical/default.asp?symb=zsl