BlackBerry Ltd (NASDAQ:BBRY) (TSE:BB)’s stock price target has been lowered again, but BMO Capital Markets analyst Tim Long still rates the stock as Market Perform because of the total value of its assets. He doesn’t think the company has much chance of turning itself around, but its current stock price reflects assets with little hope of recovery. “We are lowering numbers again as demand for BB10 is severely lacking, and BB7 continues its steady decline. We believe the best course of action for the company is to sell off some or all of its assets. Our updated sum-of-the-parts analysis yields…