
o  # insider trading
  https://www.sec.gov/dera/data/form-345
  ACCESSION_NUMBER identifies submissions field 1 array[0]
  get biggest 100 trades in a quarter
  determine if a purchase or a sale
  NONDERIV_TRANS.tsv
      date TRANS_DATE field 5
      shareѕ TRANS_SHARES field 15
      price per share TRANS_PRICEPERSHARE field 17
      disposition TRANS_ACQUIRED_DISP_CD field 19 'A'cquire 'D'ispose
  find the ticker
  SUBMISSIONS.tsv
      ticker ISSUERTRADINGSYMBOL field 12
  find the owner
  REPORTINGOWNER.tsv
      CIK  RPTOWNERCIK field 2
      name RPTOWNERNAME field 3
  search historical prices for the ticker for big movement
  if a purchase look for big movements upward the following n days
  if a sale look for big movements downward the following n days
  
  ## google atom feed
  https://news.google.com/atom?hl=en-US&gl=US&ceid=US:en
  ## stock price history data
  https://www.marketwatch.com/investing/stock/%s/downloaddatapartial
  https://stooq.com/q/d/l/?s=%s.us&i=d
  https://query1.finance.yahoo.com/v7/finance/download/AMZN?period1=863703000&period2=1709417603&interval=1d&events=history&includeAdjustedClose=true
  ## other stock news
  https://www.moneyworks4me.com/company/news/stock-news-rss-feeds
  
  https://www.marketwatch.com/site/rss
  https://feeds.content.dowjones.io/public/rss/mw_topstories
  https://feeds.content.dowjones.io/public/rss/mw_bulletins
  https://feeds.content.dowjones.io/public/rss/mw_marketpulse
  
  https://www.nasdaq.com/nasdaq-RSS-Feeds
  https://www.nasdaqtrader.com/trader.aspx?id=newsrss
  https://www.nasdaq.com/feed/rssoutbound?category=Stocks
  https://www.nasdaq.com/feed/rssoutbound?symbol=NVDA
  https://www.nasdaqtrader.com/rss.aspx?feed=currentheadlines&categorylist=2,6,7
  https://www.nasdaqtrader.com/rss.aspx?feed=currentheadlines&categorylist=2

  https://feeds.a.dj.com/rss/RSSMarketsMain.xml
  https://developer.dowjones.com/site/docs/newswires_apis/dow_jones_investor_select_rss_api/index.gsp

  https://www.spglobal.com/spdji/en/rss/
  https://www.spglobal.com/spdji/en/rss/rss-details/?rssFeedName=market-commentary

  https://www.investing.com/webmaster-tools/rss
  https://www.morningstar.co.uk/uk/news/rss.aspx?lang=en-GB
  https://www.wsj.com/news/rss-news-and-feeds
  https://feeds.a.dj.com/rss/RSSMarketsMain.xml
  https://www.barchart.com/news/feeds
  https://www.barchart.com/news/rss/financials/stock-market

  https://www.federalreserve.gov/feeds/feeds.htm
  https://www.sec.gov/about/sec-rss
  https://www.stlouisfed.org/rss
  https://fred.stlouisfed.org/series/SP500

