$5.4 billion

That’s the expectation-beating fourth-quarter net income reported by JPMorgan Chase today, thanks in part to cost-cutting. But what’s notable, aside from the numbers themselves, is how bank’s earnings report was released: via Twitter. Recent concerns over hackers have forced companies to rethink how they communicate with investors. Thursday morning saw a tweet with the link to the company’s earnings report. No hashtags, though.

3

That’s how many winners could split the $1.6 billion Powerball jackpot, though the owners of the winning tickets have yet to come forward to claim their prize. As Reuters reports, each ticket is worth $528.8 million, and were sold in Tennessee, California, and Florida.

5

That’s how many items you can order for $4 at Burger King as part of a combo deal. But if you think that’s a deal like none other, you might want to shop around — many fast food chains are jumping on the combo deal bandwagon. Some analysts say it’s just a case of follow-the-leader. But it may also be a result of a pretty lackluster year for fast-food chains in general.

28 percent

That’s how much GoPro shares fell in after-hours trading on Wednesday following the company’s disappointing earnings report. With holiday sales not meeting expectations, GoPro forecasted $435 million in revenue, falling short of the expected $512 million. As BBC Tech writes, the company also said it will cut seven percent of its workforce, with $10 million in restructuring costs.