Wednesday's package targeted Russia's financial infrastructure in an attempt to limit the amount of money flowing in and out of Russia.
The Moscow Exchange, the National Clearing Centre and the National Settlement Depository, which act as intermediaries in dollar trading on the Russian foreign exchange market, were included in the new sanctions list.
The sanctions come as G7 leaders are gathering in Italy for a summit where the top priorities will be boosting support for Ukraine and grinding down Russia’s war machine.
The Central Bank of the Russian Federation also announced that transactions using the dollar and euro will continue to be made on the over-the-counter market.
The US has sanctioned more than 4,000 Russian businesses and individuals since the war began, in an effort to choke off the flow of money and armaments to Moscow.
Chinese President Xi Jinping pledged on Thursday to step up China's support across Africa with funding of nearly US$51 billion over three years, backing for more infrastructure projects, and the creation of at least 1 million jobs.
Zeekr Intelligent Technology, the premium electric vehicle (EV) maker controlled by Geely Auto, reported record revenue in the second quarter as its refreshed models lured more Chinese customers away from rivals.
The economic, political and socio-economic reforms undertaken by Singapore's leadership over the past decades have transformed the city-state from a small fishing village into a global financial, business, logistics and innovation hub.