$400 is just a psychological barrier.
How does it matter if the price is $399 or $400?
Yes that psychological barrier matters because bit coin market is still based on what people think the price should be.How does it matter if the price is $399 or $400?
Usually the round big number are more stronger resistance as well as support. If we watch very closely we can conclude on third or forth attempt usually these barriers easily get broken. Other wise technically double top or double bottom formations make long term high or low in charts.