on cnbc’s mad money lightning round jim cramer said nio inc nio seems very dicey cramer said dycom industries inc dy is okay you need to see commodity inflation come back  cramer said rio tinto group rio is a great hedge against longterm inflation also read tesla institutional investors see this as major reason behind stocks underperformance morgan stanley survey reveals the mad money host said enphase energy enph is doing so well and every time it’s down 15 20 i want to come on air and just say you know what you’ve got to do he recommended buying the stock analysts overwhelmingly agree the stock has a consensus buy rating according to benzinga analyst ratings data lucid group inc lcid is too speculative cramer said he is not recommending stocks that are losing money now read jim cramer says strong labor report could prompt fed heads to start talking about enormous rate hikes