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.

Lumentum et al. Plunge on DoJ Huawei Probe; Ciena’s Gain?

Fiber-optic component makers are plunging for a second time after a report the U.S. Department of Justice is investigating China's Huawei for criminal behavior in selling to Iran in violation of sanctions. A couple of analysts see Huawei competitors Ciena and Infinera as potential beneficiaries if action is taken against Huawei.

Tech Today: Arista Cut, Defending Facebook, Amazon’s Postal Math

Arista shares get cut to hold at Cleveland because Web companies are buying more off-brand gear; Facebook will be OK if the U.S. copies Europe's "GDPR" regulation, according to SunTrust; Qualcomm is going to re-file its paperwork with China to finally push through its NXP deal; bulls hope Broadcom's buyback plans boost its slumping stock; and Credit Suisse thinks Amazon will be just fine if it has to pay the post office a little more money to carry its packages.

Tech Today: Amazon Trumped Again, Tesla Shootout, Buying Spotify

Spotify gets stock coverage even before trading, Amazon shares are defended by Stifel against a Trump tweet, Facebook bulls step up for it, Tesla prompts a bull-bear debate, Fortinet gets a thumbs up, storage is the best segment of tech relative to networking and security, and "Ready Player One," opening today, is a Hail Mary for the VR industry.

Ciena’s CFO on Cloud Computing, Corporate Cash, and Credit Lines

Jim Moylan, chief financial officer of fiber-optic star Ciena, sits down to lunch with Barron's to talk about the changing nature of capital raising and balance sheets, the future of cloud companies buying from Ciena, and the nature of the software and semiconductor parts that are emerging out of its traditional equipment business.

Tech Today: Cutting Micron, Waiting for Dropbox, Scrutinizing Facebook

San Francisco personal file storage pioneers Dropbox are set to go public on Nasdaq at a higher-than-expected offering price, Shares of Micron are falling as the stock gets a ton of price target increases but also a downgrade from Citigroup, Facebook stock is rising as noted author Scott Galloway tells Barron's the company's advertising customers are powerless and the stock's a Buy, Red Hat gets bumped to a higher valuation at BMO Capital, Goldman Sachs gets even more bullish on Cisco Systems but less so on Nutanix, Square gets a downgrade from Craig-Hallum on concerns over competition but a price target increase at Deutsche Bank for the its "robust" growth and potential for expanding profit margin.