The longer term relationship varies over time. After exhibiting strong positive correlation in 2013 (where prices rose), and 2014 (where prices fell for a sustained interval), the longer term relationship between Bitcoin and Litecoin starts to break down around the middle of 2015. It can be seen in the accompanying price plot that at this point the Bitcoin price starts to gradually recover, whereas the Litecoin price does not.
Just as the desirability of its products impacts a company’s share price, the crypto monetary system impacts the cost of crypto trading. The value of a cryptocurrency is primarily affected by its supply, the market’s demand for it, availability, and competing cryptocurrencies.

Ethereum Dropped After Setting Another New All-Time High. Here’s What Investors Should Do Next
FACEBOOK WHISTLEBLOWER GOES PUBLIC: “The former Facebook Inc. employee who gathered documents that formed the foundation of The Wall Street Journal’s Facebook Files series said she acted to help prompt change at the social-media giant, not to stir anger toward it,” the Journal’s Jeff Horwitz wrote in a profile of Frances Haugen, a former product manager hired to help protect against election interference on the platform. She “said she had grown frustrated by what she saw as the company’s lack of openness about its platforms’ potential for harm and unwillingness to address its flaws. She is scheduled to testify before Congress on Tuesday. She has also sought federal whistleblower protection with the Securities and Exchange Commission.”