Analysts at Needham downgraded Mattson Technology Inc. (MTSN) from ‘Buy’ to ‘Hold’ following E-Town $3.80 bid. The transaction price represents a 23% premium to MTSN’s closing PPS on Dec. 1, 2015 Mattson Technology rose $0.50 to $3.60 in recent trading. — Yahoo! Inc. (YHOO) was downgraded from ‘Buy’ to ‘Neutral’ at Nomura. Shares have traded today […] View the full post at: Notable Downgrades: Mattson Technology (MTSN), Yahoo (YHOO), OncoGenex (OGXI), Cepheid (CPHD), VMware (VMW) Related posts: Microsoft Offered $1 Bln For Yahoo’s Search Business A Yahoo Deal Could Be Imminent Microsoft Sees Yahoo Deal ‘Making Sense Economically’