Yahoo is set to acquire mobile app analytics firm Flurry for an undisclosed sum, said to be in the hundreds of millions of dollars.
Google's acquisition spree is continuing, with the company buying the connected camera company Dropcam for $555m and Alpental, which makes systems that could be used in future 5G connections.
Speech-recognition software company Nuance has reportedly held discussions with Samsung over an acquisition.
Twitter is reportedly considering a deal to acquire Soundcloud, the Berlin-based audio and music-sharing firm.
Users of the Comixology app have reacted furiously to the removal of in-app purchases on Android and iOS, just weeks after it was acquired by Amazon.
Twitter has acquired social data firm Gnip, one of the few companies to be allowed access to the microblogging service's "firehose", for an undisclosed amount.
Kenneth Moelis is set to harvest the rewards of setting up his own business as his merger advisory firm heads toward an initial public offering.
It turned out to be an expensive mistake for Mark Zuckerberg.