Must Watch Stocks for May 31, 2016

Some of the stocks that may grab investor focus today are:Wall Street expects Ascena Retail Group Inc (NASDAQ: ASNA) to post its quarterly earnings at $0.13 per share on revenue of $1.73 billion. Ascena Retail shares rose 0.99 percent to close at $7.14 on Friday.Analysts expect Medtronic PLC (NYSE: MDT) to report its quarterly earnings at $1.26 per share on revenue of $7.49 billion. Medtronic shares rose 0.63 percent to close at $81.69 on Friday.Shares of FEI Company (NASDAQ: FEIC) surged more than 14 percent Friday as the company agreed to be acquired by Thermo Fisher Scientific Inc. (NYSE: TMO) for $4.2 billion. FEI shares climbed 14.33 percent to close at $108.13 on Friday.Find out what's going on in today's market and bring any questions you have to Benzinga's PreMarket Prep.Quanex Building Products Corporation (NYSE: NX) is projected to post its quarterly earnings at $0.09 per share on revenue of $228.86 million. Quanex Building Products shares rose 0.52 percent to close at $19.44 on Friday.Wall Street expects Workday Inc (NYSE: WDAY) to post a quarterly loss at $0.02 per share on revenue of $338.68 million. Workday shares dropped 2.53 percent to close at $76.03 on Friday.Shares of Big Lots, Inc. (NYSE: BIG) jumped over 14 percent Friday after the company reported stronger-than-expected results for the first quarter and raised its full-year forecast. Big Lots shares gained 14.08 percent to close at $50.95 on Friday.Analysts are expecting NCI Building Systems Inc (NYSE: NCS) to have earned $0.01 per share on revenue of $364.22 million in the latest quarter. NCI Building Systems shares gained 1.16 percent to close at $15.71 on Friday.