I came across this news on CNBC where standard chartered bank claims that bitcoin will reach 5000$. Being a bank, this can be their wish and not a reality. Banks do not want bitcoin to become popular and therefore they spread this negative information so people panic sell and do not adopt bitcoin. 
Banks are just another body of government. Due to the decentralised nature of Bitcoins, no government can control Bitcoin, that is they cannot impose tax on it. This is the reason for which the government is against Bitcoins, and not making it as a legal tender. They advising all the banks to thoroughly moderate all the transactions associated with cryptocurrencies. Basically people using cryptos over bank due to the financial freedom. A day will come when banks and government Will understand this.