As what I have read somewhere, the pump of IOTA is basically founded upon the news that Microsoft and Fujitsu, among others are going to enter into a partnership with IOTA. I think this is true. I have not bought IOTA though because when I heard of its pump it already reached the top 8 in coinmarketcap. I initially thought that it was already very high considering where IOTA has come from. But to my surprise, it even shot to top 5.