Markets will punish Apple for the loss of its master magician

[Update: I probably should have specified a timeline for this market reaction. There's short term and long term. The market punished apple immediately in after market trading, as pointed out below. And yes, a week later, Apple's stock is actually higher than it was last week, as Gruber points out, BUT that comes after a week where the overall market had a nice upturn. Apple doesn't look so great in this perspective, where it appears slightly down compared to the market. But clearly, the most impact is going to come long-term, and that game has yet to play out].

More rockstars at VB Summit: Twitter’s Michael Abbott, Verizon’s Nicola Palmer

Michael Abbott, VP of Engineering at Twitter, will be joining us for an opening fireside chat on Monday. Michael helps lead Twitter’s mobile efforts, working closely with co-founder Jack Dorsey. As such, he can speak to mobile product development. Yes, he was referenced in that recent article by Fortune about the leadership shuffles and strategy discussions happening at Twitter…