The Russian ruble is weaker against the dollar, while Brent crude oil prices tumble to November lows.
The Russian ruble is plunging again as oil prices nose-dive to their lowest level since November.
The petro-currency was down by 1.3% at 59.1836 per dollar at 7:50 a.m. ET.
Oil prices were under pressure on Tuesday, falling to seven-month lows, after reports of supply increases by key producers, including Libya and Nigeria.
Brent crude oil, the international benchmark, which the ruble has historically tracked closely, was down by 2.1% at $45.96 per barrel at 7:51 a.m. ET.
WTI crude, the US benchmark, was down by 2.1% at $43.48 per barrel.
Both benchmarks are down by about 15% since late May when OPEC and several major non-OPEC producers such as Russia agreed to extend limits on production until March 2018.
As for the rest of the world, here's the scoreboard as of 7:54 a.m. ET: