Jim Cramer Advises His Viewers On Northrop Grumman And Shopify

On CNBC's "Mad Money", Jim Cramer said Northrop Grumman Corporation NOC is a really great company. He would wait for a 3 to 5 percent decline, before buying the stock.

Cramer thinks investors should be careful about committing more capital to Shopify Inc (US) SHOP. There are some concerns that have been brought to his attention. He explained that an analyst has been critical on a portion of the Shopify's business.