Best Buy (BBY) shares were surging 12 percent in the premarket, after reporting this morning that earnings and revenue beat estimates . The electronics chain held a 50-hour sale to celebrate is 50th anniversary from Thursday to Saturday. (CNBC)

Amazon (AMZN) is working on a new $5-per-month music subscription service that would only work on its proprietary Echo device. Amazon also wants to launch another service for $10 per month to compete with Apple (AAPL) and Spotify. (Recode)

Apple reportedly spoke with ride-sharing service Lyft about a potential operational alliance similar to the iPhone maker's investment in Chinese ride-sharing giant Didi Chuxing. The talks were not part of Lyft's pursuit of possible strategic alternatives such as a sale. (NY Post)

An iPhone with a curved screen is among three new models Apple has set for 2017, according to a Nikkei Asian Review report. It's been widely reported by news outlets that Apple has big design changes in store for the 10-year anniversary of the original iPhone. (CNBC)

Mylan (MYL) is coming under increasing pressure for sharply increasing the cost of EpiPens, the devices used by people to treat severe allergic reactions. U.S. senators want answers concerning the 400 percent price hike since 2008. (NBC News)

Delphi (DLPH) and Mobileye (MBLY), two heavy hitters in autonomous vehicle technology, are partnering to jointly develop a self-driving system that automakers can integrate into their cars starting 2019. (The Next Web)

U.S. swimmer Ryan Lochte has lost all four of his sponsors , including PVH's Speedo USA and Ralph Lauren (RL), after misrepresenting a claim that he and his Olympic teammates were robbed at gunpoint in Rio. (CNBC)

President Barack Obama is set to tour flood-ravaged Louisiana today. GOP nominee Donald Trump went there last week. Hillary Clinton plans to visit when she's confident she won't distract from relief efforts. (LA Times)

Hillary Clinton continues to hold a large national lead over Trump, 50 percent to 42 percent, weeks after the conventions. The Democratic nominee's eight-point advantage is virtually unchanged from her nine-point lead last week. (NBC News)

The State Department plans to release a portion of 14,900 Clinton emails discovered by the FBI in the course of their investigation into her use of a private email server while serving as secretary of State. Meanwhile, Trump is calling for a special prosecutor. (NBC News)

Trump has no excuse for refusing to release his tax returns, former IRS commissioner Fred Goldberg wrote in a CNBC op-ed. Those who aspire for the highest public office have done so for decades, he added.

Clinton laughed off any questions about her health and stamina during an appearance on Jimmy Kimmel Live last night, arguing the current speculation "makes no sense" because she doesn't "go around questioning Donald Trump's health." (NBC News)

Hollywood stars Justin Timberlake and Jessica Biel host a fundraiser for Hillary Clinton in Los Angeles today. Actor Leonardo DiCaprio had been set to host the $33,400-per-guest event, but pulled out due to a production schedule conflict. (Politico)

The government issues July new home at 10 a.m. ET, with forecasts calling for a 2 percent decline to an annual rate of 580,000 units compared to a 3.5 percent rise in June.

Toll Brothers (TOL) matched estimates with quarterly profit of 61 cents per share, with revenue exceeding forecasts. The luxury homebuilder saw both home sales and home prices increase from a year earlier.

Business software maker Tableau Software (DATA) appointed a former Amazon (AMZN) executive as its new Chief Executive Officer. One of the founders, who had been CEO, remains as chairman.

Volkswagen (VLKAY) has settled a dispute with two key parts suppliers, with affected plants expected to resume production as parts arrive.

MetLife (MET) is getting support from state insurance regulators in its court battle to remove its designation as a SIFI, short for a systemically important financial institution.