What you need to know on Wall Street today

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Citigroup officially ended its long overhaul this summer, with CEO Michael Corbat declaring at the bank's first investor day since the financial crisis that the firm "strong and stable" and that its "restructuring is over."

While Corbat was talking about the group as a whole, he could just as easily have been talking about Citi's investment bank.

Citi has largely loomed outside of the upper ranks of the investment banking league tables since the crisis. But Corbat's comments this summer arrived at a telling time for Citi's investment bank, which, like the financial giant overall, is showing strong signs of progress. Here's our story.

Elsewhere in Wall Street news, compensation is surging at private-equity firms, especially for junior-level employees, thanks to a "perfect storm" that's fueling competition for talent. And fund manager pay is headed for a reversal, according to a big Wall Street report.

Bitcoin futures started trading on Cboe Global Markets on Sunday night. Here's what you need to know:

• Bitcoin soars after bitcoin futures launch
• The market for bitcoin futures is heating up
• The first bitcoin futures depend on trading at the Winklevoss twins' tiny exchange - and that's a problem
• South Korea has reportedly banned bitcoin futures
• A crypto company that trolled JPMorgan CEO Jamie Dimon in the Wall Street Journal got 20,000 downloads as a result
• Bitcoin wallet provider Blockchain had half a million new sign-ups in a week
• A blockchain tech company raised $42.5 million in two weeks - in "one of the easiest fundraising processes ever"
• Bitcoin bull Tom Lee has identified 12 stocks that are perfect if you don't want to own it

In markets news, BlackRock's $1.7 trillion bond chief told us his biggest market fear. Big-money investors singled out the biggest risk to markets over the next year. A Wall Street bank just made the most bullish call on stocks yet. And there's an attractive way to profit from the $1.3 trillion student-loan bubble, according to Goldman Sachs.

In DC news, the Federal Reserve is widely expected to raise rates at its December policy meeting, making what it signals about future increases more of the focus.

Law professors published a 34-page list of ways people will game the GOP tax plan. The Treasury released a bizarre one-page report on the GOP tax bill, and it's already getting shredded. And the last time the GOP pulled this kind of trick with tax cuts, it triggered a financial disaster, according to Daniel Alpert at Westwood Capital.

In deal news, Apple is buying Shazam. A Tesla-SpaceX merger would be the deal of the decade. The latest $2 billion rights deal between the NFL and Verizon doesn't seem to be good for anybody. And an early Facebook exec explains why investing in startups without meeting them is the future of venture capital.

Lastly, here's what it's like to eat at the elite spot frequented by Wall Street billionaires where you have to pony up $50,000 to walk in the door.