<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMTAvNzgzZDRhMmMtODIzMS00YTc5LWI0M2EtMjBjMGE0YmMxMDhmLmpwZw==.jpg"></p><p>Concerns that Bitcoin may have already topped come as volatility is expected around the Fed rate hike decision and comments.</p>