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Kroger misses big, changes at Xerox, Tesla’s electrifying upgrade

Here are the companies Yahoo Finance is watching today.

A weak quarter at Kroger (KR). The supermarket chain fell short on earnings and revenue while its guidance was weak. Still, the company says it's making progress on efforts to transform its operations and implement better control costs.

Big changes at Xerox (XRX). It's reorganizing into a holding company. Executives say the move will give them more flexibility in finance and strategy. The ticker will remain the same and if shareholders sign off, the move will take effect later this year.

Tesla (TSLA) just unveiled its new charging stations. The automaker launched the third generation of its Superchargers during an event in California. Tesla says the chargers are fast enough to add 75 miles of range to its Model 3s in about five minutes. The company is set to break ground on more chargers in April.

AT&T's (T) WarnerMedia is looking to consolidate its brands. Chief content officer, Robert Greenblatt, praised the HBO brand and Turner assets, but said competitors were “eating our lunch.” He told staffers that creating a streaming service would require closer coordination between the company’s entertainment units.

Amazon (AMZN), JPMorgan (JPM) and Berkshire Hathaway (BRK_A) just named their joint healthcare venture: Haven! The companies' CEOs announced over a year ago that they were teaming up to tackle rising health care costs last January. They formed a nonprofit company and named Dr. Atul Gawande, a renowned surgeon and author, as CEO in June.