https://www.marketwatch.com/story/newell-brands-stock-sinks-after-earnings-beat-but-sales-outlook-miss-2019-02-15

https://www.cmegroup.com/education/featured-reports/brent-wti-oil-spread-taking-cue-from-houston-midland.html

https://www.cnbc.com/2019/02/15/pepsico-earnings-q4-2018.html

https://www.investing.com/analysis/palladium-squeeze-prices-likely-to-heighten-this-year-200388641

https://www.investing.com/news/economy-news/top-5-things-to-know-in-the-market-on-friday-1780903

https://www.investing.com/news/stock-market-news/nvidia-earnings-beat-revenue-misses-in-q4-1780389

https://www.nasdaq.com/article/ibm-and-blockchain-what-it-did-in-2018-and-where-its-going-in-2019-cm1100102

https://www.miaxoptions.com/sites/default/files/page-files/spikes-infographic.pdf

https://www.miaxoptions.com/sites/default/files/page-files/spikes-infographic.pdf

https://www.miaxoptions.com/sites/default/files/page-files/spikes-infographic.pdf

https://www.miaxoptions.com/sites/default/files/page-files/spikes-infographic.pdf

https://www.marketwatch.com/story/retail-sales-slump-endangers-trump-goal-of-3-gdp-2019-02-14