shares of sealed air corp see rallied 135 to 4425 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 142 to 402781 and the dow jones industrial average djia rising 100 to 3271760 this was the stocks fourth consecutive day of gains sealed air corp closed 2600 below its 52week high 7025 which the company achieved on march 30th trading volume 11 m remained 111992 below its 50day average volume of 12 m