What you need to know on Wall Street today

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Here they are: the most important charts in the world. Once again, we asked dozens of top strategists, economists, and writers for one chart that is top of mind right now.

There's a lot of news today, so let's jump right in. First up, Uber:

• Travis Kalanick resigns as Uber CEO
• The hunt for Uber's next CEO won't be easy
• Meet the 14 executives running the company
• The rise and fall of Travis Kalanick, Uber's embattled billionaire founder who just resigned as CEO

In markets and economics news:

• The oldest stock market indicator known to man is flashing a big buy sign
• Left for dead, one of the most popular Trump trades is showing signs of life
• The chief market strategist at a $1.3 trillion investment firm shares her best piece of investing advice
• The most dangerous way to bet on stocks may get even riskier
• Wall Street got something big from Paul Ryan's tax cut speech
• One chart shows why a September rate hike is a "hard sell"
• "A lot of inconsistencies" are driving oil prices through the floor
• Chinese stocks just landed on a symbolic stepping stone
• The smartphone is at the heart of one Wall Street's biggest worries
• Investors on trading app Robinhood can't get enough of these 15 stocks

In Wall Street news:

• One of the largest hedge fund launches of the year is closing its doors to new money
• A new hedge fund has hired from a fallen titan
• A former cohead of tech at Goldman Sachs has joined a startup that wants to be the iOS of Wall Street
• FLASHBACK: A look at a Goldman Sachs recruiting video from 1985
• A top JPMorgan banker explains what he looks for in new hires
• The head of HR at a top Wall Street bank shares the secrets to getting ahead in finance
• Here's how much money Wall Street banks have made advising on deals so far this year

In retail:

• Whole Foods' CEO described his deal with Amazon as a "dream come true," but investors want more
• Walmart should still terrify Amazon and Whole Foods
• Whole Foods' CEO confesses a huge mistake that has been hurting the company for years
• Nike is reportedly close to making a huge move that should terrify Dick's, Foot Locker, and Under Armour
• Sears Canada's business is about to collapse, reports say
• A tequila company George Clooney started by accident is being sold for $1 billion
• GOLDMAN SACHS: The death of malls will fuel 'degentrification'

Lastly, in tech:

• The head of Tesla's Autopilot quits in less than six months
• Nvidia is getting a huge boost from a red-hot cryptocurrency
• Theranos is reportedly close to reaching a settlement with Walgreens
• There could be a big deal in the software sector in the works
• Snapchat's new maps feature shows you where your friends are
• ALIBABA'S JACK MA: New technology "may cause the Third World War"
• From Yelp reviews to mango shipments: IBM's CEO on how blockchain will change the world

Phew.