Mad Money: Nucor Corporation (NYSE:NUE), Box Inc (NYSE:BOX), Exelixis(NASDAQ:EXEL), American Airlines Group (NASDAQ:AAL), Corning (NYSE:GLW)

Highlights from yesterday's Mad Money show:

• Nucor Corporation (NYSE:NUE) is Jim's favorite stock in the steel sector as it has a good balance sheet and also a consistent performer; 
• Box Inc (NYSE:BOX) will keep rising after a good quarter and it is likely heading to $20 (currently trading at $17)
• Exelixis (NASDAQ:EXEL): this stock could become interesting at much lower prices; it is a speculative buy; 
• American Airlines Group (NASDAQ:AAL) might very week be It is at the right level to buy;
• Corning (NYSE:GLW), this is not the right level to buy this stock.