EghtesadOnline: Citigroup Inc. may face new obstacles to rebuilding its Saudi Arabia business after the bank’s longstanding shareholder and promoter was arrested in an anti-corruption drive.

EghtesadOnline: Stocks fluctuated and bonds advanced amid a cautious start to the week for markets, with the euro and dollar slipping as President Donald Trump tackled trade on his Asia tour. A crackdown on corruption in Saudi Arabia spurred oil.

EghtesadOnline: Oil traded near the highest level in two years after Saudi Arabia’s Crown Prince, Mohammed bin Salman, ousted officials during an anti-graft probe in the world’s biggest crude exporter.

EghtesadOnline: Saudi Arabia has thrown investors a curve ball. King Salman’s move to arrest a string of high-profile nationals, from ministers to princes, has left some encouraged by the authorities’ willingness to take on corruption. Yet they’re also worried about who might be next.