Coinbase holds enough power to manipulate crypto currencies?

https://www.investopedia.com/news/coinbase-responsible-ripple-price-slide/?utm_source=market-sum&utm_campaign=dfp&utm_term=11856817&utm_content=01/09/2018&utm_medium=email

Has Coinbase become that powerful of a crypto exchange they can manipulate the value of “new to market” cryptos?