REUTERS As of 10:01 Moscow time, Russian ruble weakened by 32 kopiykas to RUB 73.39 to the dollar at the Moscow Stock Exchange. The euro exchange rate weakened by 31 kopiykas to RUB 85.07 to the euro. At the same time, the ruble reached RUB 73.756 to the dollar at the maximum of the trade, while the euro fell to RUB 80.089 to the euro. Read alsoGoldman Sachs admits calls to invest in ruble mistakeAccording to an analyst from Alpari Forex Trading Vladislav Antonov, on Thursday morning, Brent crude cost $36.76 a barrel. "Oil has experienced reports on stocks, and now we can see increase in quotes up to $38 a barrel. If the buyers disrupt the defense of sellers, the price will quickly return to $39-40 a barrel," he said.