It goes a little bit deeper than this as well! Red is typically associated with fortune, luck, or prosperity for many Asian countries that were historically Chi

It goes a little bit deeper than this as well! Red is typically associated with fortune, luck, or prosperity for many Asian countries that were historically Chinese culture such as Japan and Korea. Think about any Lunar New Year celebration and the handing out of lucky money in red envelopes. The lines used in financial charts are actually are further classified as the "Yin Line" and "Yang Line", which you may know from the Taoist philosophy of Yin (literally "dark") and Yang (literally "light"). So in this cultural sphere of influence, you'll most often see the positive lines as red (good/fortune/yang), and the negative line as either green, black, or blue (dark/bad/yin). [1][2] [1] https://i.stack.imgur.com/jdDPC.png https://i.stack.imgur.com/jdDPC.png [2] https://i.stack.imgur.com/w77KK.png https://i.stack.imgur.com/w77KK.png