Explainer: Russia walks the plank to a foreign bond default

Russia’s failure to send an interest payment to creditors is triggering a payout on debt insurance, taking the country another step closer to its first default on international bonds since the Bolshevik revolution more than a century ago.

As Apple upgrades its software, developers hunt for headset hints

As Apple Inc (AAPL.O) rolls out its usual stream of upgrades to operating systems for its iPhones, iPads and Macs at its annual software developer conference Monday, analysts and developers will be scouring between the lines for any hints about how a future mixed-reality headset might work.