PENN Entertainment Inc (NASDAQ:PENN) stock is up 1.1% at $16.26 at last check, despite a downgrade from Bank of America to "neutral" from "buy." The brokerage firm  changed its stance on the equity from growth opportunity to a "deep value turnaround."The shares are not too far removed from their May 2, four-year low of $15, and last week found a ceiling at the 20-day moving average. PENN Entertainment stock is already down 39.3% so far this year, but the $15 region looks positioned to contain any additional ...