Rolls-Royce share price has seen a 25% decrease, reaching 1,181p. Weekend trading showed a 0.43% decrease from its Xetra close of EUR 14.06. MarketBeat advises holding shares, while City AM reports a increase in shares following a defense borrowing plan. Despite good news, Safran's aftermarket warning has impacted Rolls-Royce's performance. Traders Union suggests a possible recovery due to undervalued stocks.