In the short-run, any stock could be manipulated by market maker, algorithmic trading programs, proprietary traders, hedge funds, mutual fund etc.
But over longer-term, the stock price will be in line with its intrinsic value, which could be at $50, $30, or $0.
This bank earned ton of money, however, it spent all and more in the litigation with the government. This legal battles will be for several quarters. Is this a good news for the shareholders? It don't understand why people still jump in buying this stock.