The big guns of tech are cashing in on the emerging trend known as Big Data. A survey of 105 chief information officers by Piper Jaffray found that large and midsize companies are mostly relying on Microsoft (MSFT), Oracle (ORCL) and IBM (IBM) as key suppliers for their Big Data initiatives. Big Data is a term used to define how companies are looking to collect and comprehend massive inflows of information coming from a proliferation of