Five9 CEO, Former Helpdesk Operator, Wants to Change All That

Rowan Trollope was for several years head of the collaboration software business at networking giant Cisco, but he's now crossed over to the role of running small-cap Five9, one of the ultra-popular cloud computing stocks that have been all the rage. Trollope tells Barron's how his company is going to end the "tyranny" of customer service while selling against the musty old technology of Cisco and others.

Tech Today: Tesla’s Meeting, Arista’s New Thing, Twitter’s Virtues

Tesla CEO Elon Musk sends some encouraging "body language" at the company's shareholder meeting, Ambarella shares plunge as the video-chip maker's outlook disappoints expectations, Twitter deserves the imprematuer of the S&P 500 according to one bull, Arista shows off new networking gear with novel programmable switches, and Micron is in the market's voting machine.

Ciena CEO Smith Not Sweating the Lower Margins

Ciena shares are down 4% as its profit-per-share in its quarterly results, reported Thursday morning, missed analyst's expectations. But the shortfall is a result of the fact that several new customer contracts come with lower profits up front. That's just fine, CEO Gary Smith tells Barron's, as it sets up the company for more-profitable follow-on sales down the road.

Tech Today: Debating Cisco, Dropbox Versus Google, Liking Teradata

Cisco shares slump as analysts debate whether its transformation is moving fast enough, Pandora Media's doing great with its own stealth transformation according to Stifel, PayPal can pay out big time with its cash pile according to Raymond James, Deutsche Bank tells Dropbox fans not to worry about low-cost competition from Google, Stifel warms up to Teradata's move away from super-computing big iron to software, bull and bear debate the outlook for video game maker Take-Two, and Goldman says Tesla is going to need a lot more money in future than you think.

Cisco CFO Kramer: Back to Growth in Campus Networking

Cisco's CFO, Kelly Kramer, tells Barron's the transition of the company to more "recurring revenue," including software subscriptions, is proceeding nicely, even if some bears seem to always think it's not happening fast enough. A nice highlight of Cisco's quarterly results is the return to growth in its network switch sales for corporate "campus" networks, where it faces new competition from Arista.

Tech Today: Arista Storms Cisco’s Turf, Impinj Soars, Snap’s New Blood

Arista shares rose as analysts generally were enthusiastic about its decision to challenge Cisco in the switches that power corporate networks, Snap hired the former head of IR for Amazon as its new CFO, Qualcomm is ending its attempt to challenge Intel's server chips, shares of beaten-down wireless tag vendor Impinj soared after its results suggest it is on the mend, fellow tagging company Zebra surged on its own quarterly report, and Toshiba's attempt to sell its NAND flash chip business to private equity has run up against China's regulatory roadblocks.

Earnings Roundup: Arista Tanks; Pandora, Viavi Surge

Arista Networks tanked on an unimpressive forecast, Pandora surged as its results beat, as did shares of fiber-optic chip vendor Viavi, while GoPro's upbeat outlook couldn't keep the shares aloft, and Universal Display, maker of technologies for smartphone screens, traded lower on its muted outlook.