Goldman Sachs has a bunch of new top stock picks and says 5 could rally more than 70%

A Goldman Sachs Group Inc. logo hangs on the floor of the New York Stock Exchange in New York, U.S., on Wednesday, May 19, 2010.
Daniel Acker | Bloomberg | Getty Images

Goldman Sachs has added 24 new names to its global conviction list — a compilation of its top buy-rated picks — since the start of the year, and says five have potential upside of more than 70%.